Home / 3,265.40-4,898.10-1,317.15

Finding the Fourth Proportional to 3,265.40, 4,898.10 and 1,317.15

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Solution

The fourth proportional to 3,265.40, 4,898.10 and 1,317.15 is: 1,975.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,265.40 : 4,898.10 = 1,317.15 : x
  2. Step 2: Convert to fraction form
    3,265.40/4,898.10 = 1,317.15/x
  3. Step 3: Cross multiply
    3,265.40x = 4,898.10 × 1,317.15
  4. Step 4: Simplify right side
    3,265.40x = 6,451,532.42
  5. Step 5: Solve for x
    x = 6,451,532.42/3,265.40
  6. Step 6: Final answer
    x = 1,975.73

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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.