Home / 1,223.91-1,837.08-1,159.52

Finding the Fourth Proportional to 1,223.91, 1,837.08 and 1,159.52

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Solution

The fourth proportional to 1,223.91, 1,837.08 and 1,159.52 is: 1,740.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,223.91 : 1,837.08 = 1,159.52 : x
  2. Step 2: Convert to fraction form
    1,223.91/1,837.08 = 1,159.52/x
  3. Step 3: Cross multiply
    1,223.91x = 1,837.08 × 1,159.52
  4. Step 4: Simplify right side
    1,223.91x = 2,130,121.82
  5. Step 5: Solve for x
    x = 2,130,121.82/1,223.91
  6. Step 6: Final answer
    x = 1,740.42

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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.