Home / 1,817.62-2,724.30-841.66

Finding the Fourth Proportional to 1,817.62, 2,724.30 and 841.66

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Solution

The fourth proportional to 1,817.62, 2,724.30 and 841.66 is: 1,261.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,817.62 : 2,724.30 = 841.66 : x
  2. Step 2: Convert to fraction form
    1,817.62/2,724.30 = 841.66/x
  3. Step 3: Cross multiply
    1,817.62x = 2,724.30 × 841.66
  4. Step 4: Simplify right side
    1,817.62x = 2,292,934.34
  5. Step 5: Solve for x
    x = 2,292,934.34/1,817.62
  6. Step 6: Final answer
    x = 1,261.50

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1.5x scale

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.