Home / 3,330.42-5,001.29-3,191.10

Finding the Fourth Proportional to 3,330.42, 5,001.29 and 3,191.10

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Solution

The fourth proportional to 3,330.42, 5,001.29 and 3,191.10 is: 4,792.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,330.42 : 5,001.29 = 3,191.10 : x
  2. Step 2: Convert to fraction form
    3,330.42/5,001.29 = 3,191.10/x
  3. Step 3: Cross multiply
    3,330.42x = 5,001.29 × 3,191.10
  4. Step 4: Simplify right side
    3,330.42x = 15,959,599.49
  5. Step 5: Solve for x
    x = 15,959,599.49/3,330.42
  6. Step 6: Final answer
    x = 4,792.08

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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.