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Finding the Fourth Proportional to 2,773.80, 4,158.50 and 1,602.48

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Solution

The fourth proportional to 2,773.80, 4,158.50 and 1,602.48 is: 2,402.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,773.80 : 4,158.50 = 1,602.48 : x
  2. Step 2: Convert to fraction form
    2,773.80/4,158.50 = 1,602.48/x
  3. Step 3: Cross multiply
    2,773.80x = 4,158.50 × 1,602.48
  4. Step 4: Simplify right side
    2,773.80x = 6,663,913.08
  5. Step 5: Solve for x
    x = 6,663,913.08/2,773.80
  6. Step 6: Final answer
    x = 2,402.45

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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.