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Finding the Fourth Proportional to 1,877, 2,590.26 and 1,049.16

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Solution

The fourth proportional to 1,877, 2,590.26 and 1,049.16 is: 1,447.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,877 : 2,590.26 = 1,049.16 : x
  2. Step 2: Convert to fraction form
    1,877/2,590.26 = 1,049.16/x
  3. Step 3: Cross multiply
    1,877x = 2,590.26 × 1,049.16
  4. Step 4: Simplify right side
    1,877x = 2,717,597.18
  5. Step 5: Solve for x
    x = 2,717,597.18/1,877
  6. Step 6: Final answer
    x = 1,447.84

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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.