Home / 2,631.48-3,947.22-2,326.92

Finding the Fourth Proportional to 2,631.48, 3,947.22 and 2,326.92

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Solution

The fourth proportional to 2,631.48, 3,947.22 and 2,326.92 is: 3,490.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,631.48 : 3,947.22 = 2,326.92 : x
  2. Step 2: Convert to fraction form
    2,631.48/3,947.22 = 2,326.92/x
  3. Step 3: Cross multiply
    2,631.48x = 3,947.22 × 2,326.92
  4. Step 4: Simplify right side
    2,631.48x = 9,184,865.16
  5. Step 5: Solve for x
    x = 9,184,865.16/2,631.48
  6. Step 6: Final answer
    x = 3,490.38

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Double scale
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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.