Home / 3,424.60-5,136.36-1,232.20

Finding the Fourth Proportional to 3,424.60, 5,136.36 and 1,232.20

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Solution

The fourth proportional to 3,424.60, 5,136.36 and 1,232.20 is: 1,848.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,424.60 : 5,136.36 = 1,232.20 : x
  2. Step 2: Convert to fraction form
    3,424.60/5,136.36 = 1,232.20/x
  3. Step 3: Cross multiply
    3,424.60x = 5,136.36 × 1,232.20
  4. Step 4: Simplify right side
    3,424.60x = 6,329,022.79
  5. Step 5: Solve for x
    x = 6,329,022.79/3,424.60
  6. Step 6: Final answer
    x = 1,848.11

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Double scale
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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.