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Finding the Fourth Proportional to 1,437.66, 1,983.03 and 1,373.34

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Solution

The fourth proportional to 1,437.66, 1,983.03 and 1,373.34 is: 1,894.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,437.66 : 1,983.03 = 1,373.34 : x
  2. Step 2: Convert to fraction form
    1,437.66/1,983.03 = 1,373.34/x
  3. Step 3: Cross multiply
    1,437.66x = 1,983.03 × 1,373.34
  4. Step 4: Simplify right side
    1,437.66x = 2,723,374.42
  5. Step 5: Solve for x
    x = 2,723,374.42/1,437.66
  6. Step 6: Final answer
    x = 1,894.31

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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.