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Finding the Fourth Proportional to 1,877.88, 2,818.16 and 904.52

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Solution

The fourth proportional to 1,877.88, 2,818.16 and 904.52 is: 1,357.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,877.88 : 2,818.16 = 904.52 : x
  2. Step 2: Convert to fraction form
    1,877.88/2,818.16 = 904.52/x
  3. Step 3: Cross multiply
    1,877.88x = 2,818.16 × 904.52
  4. Step 4: Simplify right side
    1,877.88x = 2,549,082.08
  5. Step 5: Solve for x
    x = 2,549,082.08/1,877.88
  6. Step 6: Final answer
    x = 1,357.43

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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.