Home / 1,554.73-2,145.92-1,082.70

Finding the Fourth Proportional to 1,554.73, 2,145.92 and 1,082.70

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Solution

The fourth proportional to 1,554.73, 2,145.92 and 1,082.70 is: 1,494.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,554.73 : 2,145.92 = 1,082.70 : x
  2. Step 2: Convert to fraction form
    1,554.73/2,145.92 = 1,082.70/x
  3. Step 3: Cross multiply
    1,554.73x = 2,145.92 × 1,082.70
  4. Step 4: Simplify right side
    1,554.73x = 2,323,382.17
  5. Step 5: Solve for x
    x = 2,323,382.17/1,554.73
  6. Step 6: Final answer
    x = 1,494.40

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1.5x scale

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.