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Finding the Fourth Proportional to 1,337.03, 1,844.84 and 806.21

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Solution

The fourth proportional to 1,337.03, 1,844.84 and 806.21 is: 1,112.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,337.03 : 1,844.84 = 806.21 : x
  2. Step 2: Convert to fraction form
    1,337.03/1,844.84 = 806.21/x
  3. Step 3: Cross multiply
    1,337.03x = 1,844.84 × 806.21
  4. Step 4: Simplify right side
    1,337.03x = 1,487,328.46
  5. Step 5: Solve for x
    x = 1,487,328.46/1,337.03
  6. Step 6: Final answer
    x = 1,112.41

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.