Home / 3,257.10-4,885.65-1,310.70

Finding the Fourth Proportional to 3,257.10, 4,885.65 and 1,310.70

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Solution

The fourth proportional to 3,257.10, 4,885.65 and 1,310.70 is: 1,966.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,257.10 : 4,885.65 = 1,310.70 : x
  2. Step 2: Convert to fraction form
    3,257.10/4,885.65 = 1,310.70/x
  3. Step 3: Cross multiply
    3,257.10x = 4,885.65 × 1,310.70
  4. Step 4: Simplify right side
    3,257.10x = 6,403,621.46
  5. Step 5: Solve for x
    x = 6,403,621.46/3,257.10
  6. Step 6: Final answer
    x = 1,966.05

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Similar ratio
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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.