Home / 3,493.62-5,242.20-1,547.19

Finding the Fourth Proportional to 3,493.62, 5,242.20 and 1,547.19

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Solution

The fourth proportional to 3,493.62, 5,242.20 and 1,547.19 is: 2,321.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,493.62 : 5,242.20 = 1,547.19 : x
  2. Step 2: Convert to fraction form
    3,493.62/5,242.20 = 1,547.19/x
  3. Step 3: Cross multiply
    3,493.62x = 5,242.20 × 1,547.19
  4. Step 4: Simplify right side
    3,493.62x = 8,110,679.42
  5. Step 5: Solve for x
    x = 8,110,679.42/3,493.62
  6. Step 6: Final answer
    x = 2,321.57

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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.