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Finding the Fourth Proportional to 1,846.92, 2,770.50 and 614.28

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Solution

The fourth proportional to 1,846.92, 2,770.50 and 614.28 is: 921.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,846.92 : 2,770.50 = 614.28 : x
  2. Step 2: Convert to fraction form
    1,846.92/2,770.50 = 614.28/x
  3. Step 3: Cross multiply
    1,846.92x = 2,770.50 × 614.28
  4. Step 4: Simplify right side
    1,846.92x = 1,701,862.74
  5. Step 5: Solve for x
    x = 1,701,862.74/1,846.92
  6. Step 6: Final answer
    x = 921.46

Related Problems

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Double scale
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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.