Home / 1,037.50-1,427.55-1,001.59

Finding the Fourth Proportional to 1,037.50, 1,427.55 and 1,001.59

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Solution

The fourth proportional to 1,037.50, 1,427.55 and 1,001.59 is: 1,378.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,037.50 : 1,427.55 = 1,001.59 : x
  2. Step 2: Convert to fraction form
    1,037.50/1,427.55 = 1,001.59/x
  3. Step 3: Cross multiply
    1,037.50x = 1,427.55 × 1,001.59
  4. Step 4: Simplify right side
    1,037.50x = 1,429,819.80
  5. Step 5: Solve for x
    x = 1,429,819.80/1,037.50
  6. Step 6: Final answer
    x = 1,378.14

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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.