Home / 1,343.30-1,854.62-1,095.22

Finding the Fourth Proportional to 1,343.30, 1,854.62 and 1,095.22

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Solution

The fourth proportional to 1,343.30, 1,854.62 and 1,095.22 is: 1,512.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,343.30 : 1,854.62 = 1,095.22 : x
  2. Step 2: Convert to fraction form
    1,343.30/1,854.62 = 1,095.22/x
  3. Step 3: Cross multiply
    1,343.30x = 1,854.62 × 1,095.22
  4. Step 4: Simplify right side
    1,343.30x = 2,031,216.92
  5. Step 5: Solve for x
    x = 2,031,216.92/1,343.30
  6. Step 6: Final answer
    x = 1,512.11

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.