Home / 3,708.74-5,117.91-2,136.62

Finding the Fourth Proportional to 3,708.74, 5,117.91 and 2,136.62

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Solution

The fourth proportional to 3,708.74, 5,117.91 and 2,136.62 is: 2,948.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,708.74 : 5,117.91 = 2,136.62 : x
  2. Step 2: Convert to fraction form
    3,708.74/5,117.91 = 2,136.62/x
  3. Step 3: Cross multiply
    3,708.74x = 5,117.91 × 2,136.62
  4. Step 4: Simplify right side
    3,708.74x = 10,935,028.86
  5. Step 5: Solve for x
    x = 10,935,028.86/3,708.74
  6. Step 6: Final answer
    x = 2,948.45

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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.