Home / 1,371.16-2,053.80-1,095.76

Finding the Fourth Proportional to 1,371.16, 2,053.80 and 1,095.76

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Solution

The fourth proportional to 1,371.16, 2,053.80 and 1,095.76 is: 1,641.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,371.16 : 2,053.80 = 1,095.76 : x
  2. Step 2: Convert to fraction form
    1,371.16/2,053.80 = 1,095.76/x
  3. Step 3: Cross multiply
    1,371.16x = 2,053.80 × 1,095.76
  4. Step 4: Simplify right side
    1,371.16x = 2,250,471.89
  5. Step 5: Solve for x
    x = 2,250,471.89/1,371.16
  6. Step 6: Final answer
    x = 1,641.29

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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.