Home / 1,343.30-2,013.08-727.34

Finding the Fourth Proportional to 1,343.30, 2,013.08 and 727.34

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Solution

The fourth proportional to 1,343.30, 2,013.08 and 727.34 is: 1,090.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,343.30 : 2,013.08 = 727.34 : x
  2. Step 2: Convert to fraction form
    1,343.30/2,013.08 = 727.34/x
  3. Step 3: Cross multiply
    1,343.30x = 2,013.08 × 727.34
  4. Step 4: Simplify right side
    1,343.30x = 1,464,193.61
  5. Step 5: Solve for x
    x = 1,464,193.61/1,343.30
  6. Step 6: Final answer
    x = 1,090.00

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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.