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Finding the Fourth Proportional to 1,817.43, 2,726.14 and 843

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Solution

The fourth proportional to 1,817.43, 2,726.14 and 843 is: 1,264.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,817.43 : 2,726.14 = 843 : x
  2. Step 2: Convert to fraction form
    1,817.43/2,726.14 = 843/x
  3. Step 3: Cross multiply
    1,817.43x = 2,726.14 × 843
  4. Step 4: Simplify right side
    1,817.43x = 2,298,136.02
  5. Step 5: Solve for x
    x = 2,298,136.02/1,817.43
  6. Step 6: Final answer
    x = 1,264.50

Related Problems

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Half scale
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Double scale
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Similar ratio
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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.