Home / 1,343.40-2,014.29-613.59

Finding the Fourth Proportional to 1,343.40, 2,014.29 and 613.59

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Solution

The fourth proportional to 1,343.40, 2,014.29 and 613.59 is: 920.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,343.40 : 2,014.29 = 613.59 : x
  2. Step 2: Convert to fraction form
    1,343.40/2,014.29 = 613.59/x
  3. Step 3: Cross multiply
    1,343.40x = 2,014.29 × 613.59
  4. Step 4: Simplify right side
    1,343.40x = 1,235,948.20
  5. Step 5: Solve for x
    x = 1,235,948.20/1,343.40
  6. Step 6: Final answer
    x = 920.02

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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.