Home / 1,779.13-2,452.12-1,306.04

Finding the Fourth Proportional to 1,779.13, 2,452.12 and 1,306.04

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Solution

The fourth proportional to 1,779.13, 2,452.12 and 1,306.04 is: 1,800.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,779.13 : 2,452.12 = 1,306.04 : x
  2. Step 2: Convert to fraction form
    1,779.13/2,452.12 = 1,306.04/x
  3. Step 3: Cross multiply
    1,779.13x = 2,452.12 × 1,306.04
  4. Step 4: Simplify right side
    1,779.13x = 3,202,572.42
  5. Step 5: Solve for x
    x = 3,202,572.42/1,779.13
  6. Step 6: Final answer
    x = 1,800.08

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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.