Home / 1,766.31-2,436.28-1,020.14

Finding the Fourth Proportional to 1,766.31, 2,436.28 and 1,020.14

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Solution

The fourth proportional to 1,766.31, 2,436.28 and 1,020.14 is: 1,407.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,766.31 : 2,436.28 = 1,020.14 : x
  2. Step 2: Convert to fraction form
    1,766.31/2,436.28 = 1,020.14/x
  3. Step 3: Cross multiply
    1,766.31x = 2,436.28 × 1,020.14
  4. Step 4: Simplify right side
    1,766.31x = 2,485,354.79
  5. Step 5: Solve for x
    x = 2,485,354.79/1,766.31
  6. Step 6: Final answer
    x = 1,407.09

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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.