Home / 1,228.19-1,841.15-534.42

Finding the Fourth Proportional to 1,228.19, 1,841.15 and 534.42

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Solution

The fourth proportional to 1,228.19, 1,841.15 and 534.42 is: 801.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,228.19 : 1,841.15 = 534.42 : x
  2. Step 2: Convert to fraction form
    1,228.19/1,841.15 = 534.42/x
  3. Step 3: Cross multiply
    1,228.19x = 1,841.15 × 534.42
  4. Step 4: Simplify right side
    1,228.19x = 983,948.72
  5. Step 5: Solve for x
    x = 983,948.72/1,228.19
  6. Step 6: Final answer
    x = 801.14

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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.