Home / 2,862.75-4,294.09-1,613.43

Finding the Fourth Proportional to 2,862.75, 4,294.09 and 1,613.43

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Solution

The fourth proportional to 2,862.75, 4,294.09 and 1,613.43 is: 2,420.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,862.75 : 4,294.09 = 1,613.43 : x
  2. Step 2: Convert to fraction form
    2,862.75/4,294.09 = 1,613.43/x
  3. Step 3: Cross multiply
    2,862.75x = 4,294.09 × 1,613.43
  4. Step 4: Simplify right side
    2,862.75x = 6,928,216.30
  5. Step 5: Solve for x
    x = 6,928,216.30/2,862.75
  6. Step 6: Final answer
    x = 2,420.13

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.