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Finding the Fourth Proportional to 3,000.10, 4,501.80 and 1,356.52

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Solution

The fourth proportional to 3,000.10, 4,501.80 and 1,356.52 is: 2,035.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,000.10 : 4,501.80 = 1,356.52 : x
  2. Step 2: Convert to fraction form
    3,000.10/4,501.80 = 1,356.52/x
  3. Step 3: Cross multiply
    3,000.10x = 4,501.80 × 1,356.52
  4. Step 4: Simplify right side
    3,000.10x = 6,106,781.74
  5. Step 5: Solve for x
    x = 6,106,781.74/3,000.10
  6. Step 6: Final answer
    x = 2,035.53

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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.