Home / 2,618.46-3,613.65-1,732.74

Finding the Fourth Proportional to 2,618.46, 3,613.65 and 1,732.74

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Solution

The fourth proportional to 2,618.46, 3,613.65 and 1,732.74 is: 2,391.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,618.46 : 3,613.65 = 1,732.74 : x
  2. Step 2: Convert to fraction form
    2,618.46/3,613.65 = 1,732.74/x
  3. Step 3: Cross multiply
    2,618.46x = 3,613.65 × 1,732.74
  4. Step 4: Simplify right side
    2,618.46x = 6,261,515.90
  5. Step 5: Solve for x
    x = 6,261,515.90/2,618.46
  6. Step 6: Final answer
    x = 2,391.30

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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.