Home / 3,758.19-5,630.81-2,490.96

Finding the Fourth Proportional to 3,758.19, 5,630.81 and 2,490.96

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Solution

The fourth proportional to 3,758.19, 5,630.81 and 2,490.96 is: 3,732.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,758.19 : 5,630.81 = 2,490.96 : x
  2. Step 2: Convert to fraction form
    3,758.19/5,630.81 = 2,490.96/x
  3. Step 3: Cross multiply
    3,758.19x = 5,630.81 × 2,490.96
  4. Step 4: Simplify right side
    3,758.19x = 14,026,122.48
  5. Step 5: Solve for x
    x = 14,026,122.48/3,758.19
  6. Step 6: Final answer
    x = 3,732.15

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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.