Home / 3,708.77-5,121.57-2,384.78

Finding the Fourth Proportional to 3,708.77, 5,121.57 and 2,384.78

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Solution

The fourth proportional to 3,708.77, 5,121.57 and 2,384.78 is: 3,293.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,708.77 : 5,121.57 = 2,384.78 : x
  2. Step 2: Convert to fraction form
    3,708.77/5,121.57 = 2,384.78/x
  3. Step 3: Cross multiply
    3,708.77x = 5,121.57 × 2,384.78
  4. Step 4: Simplify right side
    3,708.77x = 12,213,792.10
  5. Step 5: Solve for x
    x = 12,213,792.10/3,708.77
  6. Step 6: Final answer
    x = 3,293.22

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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.