Home / 3,787.54-5,225.02-2,460.76

Finding the Fourth Proportional to 3,787.54, 5,225.02 and 2,460.76

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Solution

The fourth proportional to 3,787.54, 5,225.02 and 2,460.76 is: 3,394.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,787.54 : 5,225.02 = 2,460.76 : x
  2. Step 2: Convert to fraction form
    3,787.54/5,225.02 = 2,460.76/x
  3. Step 3: Cross multiply
    3,787.54x = 5,225.02 × 2,460.76
  4. Step 4: Simplify right side
    3,787.54x = 12,857,520.22
  5. Step 5: Solve for x
    x = 12,857,520.22/3,787.54
  6. Step 6: Final answer
    x = 3,394.69

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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.