Home / 3,233.60-4,459.20-2,355.20

Finding the Fourth Proportional to 3,233.60, 4,459.20 and 2,355.20

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Solution

The fourth proportional to 3,233.60, 4,459.20 and 2,355.20 is: 3,247.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,233.60 : 4,459.20 = 2,355.20 : x
  2. Step 2: Convert to fraction form
    3,233.60/4,459.20 = 2,355.20/x
  3. Step 3: Cross multiply
    3,233.60x = 4,459.20 × 2,355.20
  4. Step 4: Simplify right side
    3,233.60x = 10,502,307.84
  5. Step 5: Solve for x
    x = 10,502,307.84/3,233.60
  6. Step 6: Final answer
    x = 3,247.87

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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.