Home / 1,502.94-2,071.19-1,082.55

Finding the Fourth Proportional to 1,502.94, 2,071.19 and 1,082.55

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Solution

The fourth proportional to 1,502.94, 2,071.19 and 1,082.55 is: 1,491.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,502.94 : 2,071.19 = 1,082.55 : x
  2. Step 2: Convert to fraction form
    1,502.94/2,071.19 = 1,082.55/x
  3. Step 3: Cross multiply
    1,502.94x = 2,071.19 × 1,082.55
  4. Step 4: Simplify right side
    1,502.94x = 2,242,166.73
  5. Step 5: Solve for x
    x = 2,242,166.73/1,502.94
  6. Step 6: Final answer
    x = 1,491.85

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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.