Home / 1,343.15-2,013.86-563.66

Finding the Fourth Proportional to 1,343.15, 2,013.86 and 563.66

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Solution

The fourth proportional to 1,343.15, 2,013.86 and 563.66 is: 845.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,343.15 : 2,013.86 = 563.66 : x
  2. Step 2: Convert to fraction form
    1,343.15/2,013.86 = 563.66/x
  3. Step 3: Cross multiply
    1,343.15x = 2,013.86 × 563.66
  4. Step 4: Simplify right side
    1,343.15x = 1,135,119.44
  5. Step 5: Solve for x
    x = 1,135,119.44/1,343.15
  6. Step 6: Final answer
    x = 845.12

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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.