Home / 1,727.47-2,585.31-1,102.45

Finding the Fourth Proportional to 1,727.47, 2,585.31 and 1,102.45

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Solution

The fourth proportional to 1,727.47, 2,585.31 and 1,102.45 is: 1,649.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,727.47 : 2,585.31 = 1,102.45 : x
  2. Step 2: Convert to fraction form
    1,727.47/2,585.31 = 1,102.45/x
  3. Step 3: Cross multiply
    1,727.47x = 2,585.31 × 1,102.45
  4. Step 4: Simplify right side
    1,727.47x = 2,850,175.01
  5. Step 5: Solve for x
    x = 2,850,175.01/1,727.47
  6. Step 6: Final answer
    x = 1,649.91

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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.