Home / 1,149.09-1,721.50-888.17

Finding the Fourth Proportional to 1,149.09, 1,721.50 and 888.17

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Solution

The fourth proportional to 1,149.09, 1,721.50 and 888.17 is: 1,330.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,149.09 : 1,721.50 = 888.17 : x
  2. Step 2: Convert to fraction form
    1,149.09/1,721.50 = 888.17/x
  3. Step 3: Cross multiply
    1,149.09x = 1,721.50 × 888.17
  4. Step 4: Simplify right side
    1,149.09x = 1,528,978.82
  5. Step 5: Solve for x
    x = 1,528,978.82/1,149.09
  6. Step 6: Final answer
    x = 1,330.60

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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.