Home / 1,817.52-2,724.18-841.58

Finding the Fourth Proportional to 1,817.52, 2,724.18 and 841.58

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Solution

The fourth proportional to 1,817.52, 2,724.18 and 841.58 is: 1,261.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,817.52 : 2,724.18 = 841.58 : x
  2. Step 2: Convert to fraction form
    1,817.52/2,724.18 = 841.58/x
  3. Step 3: Cross multiply
    1,817.52x = 2,724.18 × 841.58
  4. Step 4: Simplify right side
    1,817.52x = 2,292,615.40
  5. Step 5: Solve for x
    x = 2,292,615.40/1,817.52
  6. Step 6: Final answer
    x = 1,261.40

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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.