Home / 3,808.28-5,710.12-2,490.45

Finding the Fourth Proportional to 3,808.28, 5,710.12 and 2,490.45

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Solution

The fourth proportional to 3,808.28, 5,710.12 and 2,490.45 is: 3,734.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,808.28 : 5,710.12 = 2,490.45 : x
  2. Step 2: Convert to fraction form
    3,808.28/5,710.12 = 2,490.45/x
  3. Step 3: Cross multiply
    3,808.28x = 5,710.12 × 2,490.45
  4. Step 4: Simplify right side
    3,808.28x = 14,220,747.72
  5. Step 5: Solve for x
    x = 14,220,747.72/3,808.28
  6. Step 6: Final answer
    x = 3,734.16

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.