Home / 1,124.34-1,552.79-1,002.18

Finding the Fourth Proportional to 1,124.34, 1,552.79 and 1,002.18

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Solution

The fourth proportional to 1,124.34, 1,552.79 and 1,002.18 is: 1,384.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,124.34 : 1,552.79 = 1,002.18 : x
  2. Step 2: Convert to fraction form
    1,124.34/1,552.79 = 1,002.18/x
  3. Step 3: Cross multiply
    1,124.34x = 1,552.79 × 1,002.18
  4. Step 4: Simplify right side
    1,124.34x = 1,556,175.08
  5. Step 5: Solve for x
    x = 1,556,175.08/1,124.34
  6. Step 6: Final answer
    x = 1,384.08

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.