Home / 3,787.40-5,225.10-2,193.73

Finding the Fourth Proportional to 3,787.40, 5,225.10 and 2,193.73

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Solution

The fourth proportional to 3,787.40, 5,225.10 and 2,193.73 is: 3,026.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,787.40 : 5,225.10 = 2,193.73 : x
  2. Step 2: Convert to fraction form
    3,787.40/5,225.10 = 2,193.73/x
  3. Step 3: Cross multiply
    3,787.40x = 5,225.10 × 2,193.73
  4. Step 4: Simplify right side
    3,787.40x = 11,462,458.62
  5. Step 5: Solve for x
    x = 11,462,458.62/3,787.40
  6. Step 6: Final answer
    x = 3,026.47

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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.