Home / 3,800.28-5,680.95-2,925.48

Finding the Fourth Proportional to 3,800.28, 5,680.95 and 2,925.48

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Solution

The fourth proportional to 3,800.28, 5,680.95 and 2,925.48 is: 4,373.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,800.28 : 5,680.95 = 2,925.48 : x
  2. Step 2: Convert to fraction form
    3,800.28/5,680.95 = 2,925.48/x
  3. Step 3: Cross multiply
    3,800.28x = 5,680.95 × 2,925.48
  4. Step 4: Simplify right side
    3,800.28x = 16,619,505.61
  5. Step 5: Solve for x
    x = 16,619,505.61/3,800.28
  6. Step 6: Final answer
    x = 4,373.23

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.