Home / 3,803.72-5,248.98-2,125.10

Finding the Fourth Proportional to 3,803.72, 5,248.98 and 2,125.10

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Solution

The fourth proportional to 3,803.72, 5,248.98 and 2,125.10 is: 2,932.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,803.72 : 5,248.98 = 2,125.10 : x
  2. Step 2: Convert to fraction form
    3,803.72/5,248.98 = 2,125.10/x
  3. Step 3: Cross multiply
    3,803.72x = 5,248.98 × 2,125.10
  4. Step 4: Simplify right side
    3,803.72x = 11,154,607.40
  5. Step 5: Solve for x
    x = 11,154,607.40/3,803.72
  6. Step 6: Final answer
    x = 2,932.55

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Half scale
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Double scale
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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.