Home / 3,613.07-4,988.19-2,287.91

Finding the Fourth Proportional to 3,613.07, 4,988.19 and 2,287.91

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Solution

The fourth proportional to 3,613.07, 4,988.19 and 2,287.91 is: 3,158.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,613.07 : 4,988.19 = 2,287.91 : x
  2. Step 2: Convert to fraction form
    3,613.07/4,988.19 = 2,287.91/x
  3. Step 3: Cross multiply
    3,613.07x = 4,988.19 × 2,287.91
  4. Step 4: Simplify right side
    3,613.07x = 11,412,529.78
  5. Step 5: Solve for x
    x = 11,412,529.78/3,613.07
  6. Step 6: Final answer
    x = 3,158.68

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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.