Home / 3,001.12-4,501.68-1,269.76

Finding the Fourth Proportional to 3,001.12, 4,501.68 and 1,269.76

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Solution

The fourth proportional to 3,001.12, 4,501.68 and 1,269.76 is: 1,904.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,001.12 : 4,501.68 = 1,269.76 : x
  2. Step 2: Convert to fraction form
    3,001.12/4,501.68 = 1,269.76/x
  3. Step 3: Cross multiply
    3,001.12x = 4,501.68 × 1,269.76
  4. Step 4: Simplify right side
    3,001.12x = 5,716,053.20
  5. Step 5: Solve for x
    x = 5,716,053.20/3,001.12
  6. Step 6: Final answer
    x = 1,904.64

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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.