Home / 1,351.04-2,026.56-325.04

Finding the Fourth Proportional to 1,351.04, 2,026.56 and 325.04

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Solution

The fourth proportional to 1,351.04, 2,026.56 and 325.04 is: 487.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,351.04 : 2,026.56 = 325.04 : x
  2. Step 2: Convert to fraction form
    1,351.04/2,026.56 = 325.04/x
  3. Step 3: Cross multiply
    1,351.04x = 2,026.56 × 325.04
  4. Step 4: Simplify right side
    1,351.04x = 658,719.35
  5. Step 5: Solve for x
    x = 658,719.35/1,351.04
  6. Step 6: Final answer
    x = 487.56

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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.