Home / 1,127.49-1,695.35-1,037.28

Finding the Fourth Proportional to 1,127.49, 1,695.35 and 1,037.28

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Solution

The fourth proportional to 1,127.49, 1,695.35 and 1,037.28 is: 1,559.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,127.49 : 1,695.35 = 1,037.28 : x
  2. Step 2: Convert to fraction form
    1,127.49/1,695.35 = 1,037.28/x
  3. Step 3: Cross multiply
    1,127.49x = 1,695.35 × 1,037.28
  4. Step 4: Simplify right side
    1,127.49x = 1,758,551.00
  5. Step 5: Solve for x
    x = 1,758,551.00/1,127.49
  6. Step 6: Final answer
    x = 1,559.70

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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.