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Finding the Fourth Proportional to 3,001.02, 4,501.52 and 1,440.64

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Solution

The fourth proportional to 3,001.02, 4,501.52 and 1,440.64 is: 2,160.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,001.02 : 4,501.52 = 1,440.64 : x
  2. Step 2: Convert to fraction form
    3,001.02/4,501.52 = 1,440.64/x
  3. Step 3: Cross multiply
    3,001.02x = 4,501.52 × 1,440.64
  4. Step 4: Simplify right side
    3,001.02x = 6,485,069.77
  5. Step 5: Solve for x
    x = 6,485,069.77/3,001.02
  6. Step 6: Final answer
    x = 2,160.96

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Half scale
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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.