Home / 3,803.28-5,250.90-2,461.20

Finding the Fourth Proportional to 3,803.28, 5,250.90 and 2,461.20

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Solution

The fourth proportional to 3,803.28, 5,250.90 and 2,461.20 is: 3,397.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,803.28 : 5,250.90 = 2,461.20 : x
  2. Step 2: Convert to fraction form
    3,803.28/5,250.90 = 2,461.20/x
  3. Step 3: Cross multiply
    3,803.28x = 5,250.90 × 2,461.20
  4. Step 4: Simplify right side
    3,803.28x = 12,923,515.08
  5. Step 5: Solve for x
    x = 12,923,515.08/3,803.28
  6. Step 6: Final answer
    x = 3,397.99

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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.