Home / 3,613.75-4,987.11-2,042.08

Finding the Fourth Proportional to 3,613.75, 4,987.11 and 2,042.08

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Solution

The fourth proportional to 3,613.75, 4,987.11 and 2,042.08 is: 2,818.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,613.75 : 4,987.11 = 2,042.08 : x
  2. Step 2: Convert to fraction form
    3,613.75/4,987.11 = 2,042.08/x
  3. Step 3: Cross multiply
    3,613.75x = 4,987.11 × 2,042.08
  4. Step 4: Simplify right side
    3,613.75x = 10,184,077.59
  5. Step 5: Solve for x
    x = 10,184,077.59/3,613.75
  6. Step 6: Final answer
    x = 2,818.15

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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.