Home / 1,154.25-1,729.35-1,018.17

Finding the Fourth Proportional to 1,154.25, 1,729.35 and 1,018.17

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Solution

The fourth proportional to 1,154.25, 1,729.35 and 1,018.17 is: 1,525.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,154.25 : 1,729.35 = 1,018.17 : x
  2. Step 2: Convert to fraction form
    1,154.25/1,729.35 = 1,018.17/x
  3. Step 3: Cross multiply
    1,154.25x = 1,729.35 × 1,018.17
  4. Step 4: Simplify right side
    1,154.25x = 1,760,772.29
  5. Step 5: Solve for x
    x = 1,760,772.29/1,154.25
  6. Step 6: Final answer
    x = 1,525.47

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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.