Home / 3,343.60-5,005.68-3,061.72

Finding the Fourth Proportional to 3,343.60, 5,005.68 and 3,061.72

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Solution

The fourth proportional to 3,343.60, 5,005.68 and 3,061.72 is: 4,583.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,343.60 : 5,005.68 = 3,061.72 : x
  2. Step 2: Convert to fraction form
    3,343.60/5,005.68 = 3,061.72/x
  3. Step 3: Cross multiply
    3,343.60x = 5,005.68 × 3,061.72
  4. Step 4: Simplify right side
    3,343.60x = 15,325,990.57
  5. Step 5: Solve for x
    x = 15,325,990.57/3,343.60
  6. Step 6: Final answer
    x = 4,583.68

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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.