Home / 1,472.99-2,030.61-1,053.18

Finding the Fourth Proportional to 1,472.99, 2,030.61 and 1,053.18

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Solution

The fourth proportional to 1,472.99, 2,030.61 and 1,053.18 is: 1,451.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,472.99 : 2,030.61 = 1,053.18 : x
  2. Step 2: Convert to fraction form
    1,472.99/2,030.61 = 1,053.18/x
  3. Step 3: Cross multiply
    1,472.99x = 2,030.61 × 1,053.18
  4. Step 4: Simplify right side
    1,472.99x = 2,138,593.12
  5. Step 5: Solve for x
    x = 2,138,593.12/1,472.99
  6. Step 6: Final answer
    x = 1,451.88

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.