Home / 1,492.57-2,060.30-1,281.90

Finding the Fourth Proportional to 1,492.57, 2,060.30 and 1,281.90

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Solution

The fourth proportional to 1,492.57, 2,060.30 and 1,281.90 is: 1,769.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,492.57 : 2,060.30 = 1,281.90 : x
  2. Step 2: Convert to fraction form
    1,492.57/2,060.30 = 1,281.90/x
  3. Step 3: Cross multiply
    1,492.57x = 2,060.30 × 1,281.90
  4. Step 4: Simplify right side
    1,492.57x = 2,641,098.57
  5. Step 5: Solve for x
    x = 2,641,098.57/1,492.57
  6. Step 6: Final answer
    x = 1,769.50

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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.