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Finding the Fourth Proportional to 3,343.53, 5,014.65 and 1,781.67

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Solution

The fourth proportional to 3,343.53, 5,014.65 and 1,781.67 is: 2,672.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,343.53 : 5,014.65 = 1,781.67 : x
  2. Step 2: Convert to fraction form
    3,343.53/5,014.65 = 1,781.67/x
  3. Step 3: Cross multiply
    3,343.53x = 5,014.65 × 1,781.67
  4. Step 4: Simplify right side
    3,343.53x = 8,934,451.47
  5. Step 5: Solve for x
    x = 8,934,451.47/3,343.53
  6. Step 6: Final answer
    x = 2,672.16

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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.