Home / 3,428.01-5,141.61-1,349.55

Finding the Fourth Proportional to 3,428.01, 5,141.61 and 1,349.55

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Solution

The fourth proportional to 3,428.01, 5,141.61 and 1,349.55 is: 2,024.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,428.01 : 5,141.61 = 1,349.55 : x
  2. Step 2: Convert to fraction form
    3,428.01/5,141.61 = 1,349.55/x
  3. Step 3: Cross multiply
    3,428.01x = 5,141.61 × 1,349.55
  4. Step 4: Simplify right side
    3,428.01x = 6,938,859.78
  5. Step 5: Solve for x
    x = 6,938,859.78/3,428.01
  6. Step 6: Final answer
    x = 2,024.17

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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.