Home / 1,417.16-1,948.11-1,266.20

Finding the Fourth Proportional to 1,417.16, 1,948.11 and 1,266.20

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Solution

The fourth proportional to 1,417.16, 1,948.11 and 1,266.20 is: 1,740.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,417.16 : 1,948.11 = 1,266.20 : x
  2. Step 2: Convert to fraction form
    1,417.16/1,948.11 = 1,266.20/x
  3. Step 3: Cross multiply
    1,417.16x = 1,948.11 × 1,266.20
  4. Step 4: Simplify right side
    1,417.16x = 2,466,687.14
  5. Step 5: Solve for x
    x = 2,466,687.14/1,417.16
  6. Step 6: Final answer
    x = 1,740.59

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.