Home / 2,325.39-3,209.27-1,330.85

Finding the Fourth Proportional to 2,325.39, 3,209.27 and 1,330.85

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Solution

The fourth proportional to 2,325.39, 3,209.27 and 1,330.85 is: 1,836.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,325.39 : 3,209.27 = 1,330.85 : x
  2. Step 2: Convert to fraction form
    2,325.39/3,209.27 = 1,330.85/x
  3. Step 3: Cross multiply
    2,325.39x = 3,209.27 × 1,330.85
  4. Step 4: Simplify right side
    2,325.39x = 4,271,052.28
  5. Step 5: Solve for x
    x = 4,271,052.28/2,325.39
  6. Step 6: Final answer
    x = 1,836.70

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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.