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Finding the Fourth Proportional to 2,503.61, 3,455.08 and 1,559.96

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Solution

The fourth proportional to 2,503.61, 3,455.08 and 1,559.96 is: 2,152.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,503.61 : 3,455.08 = 1,559.96 : x
  2. Step 2: Convert to fraction form
    2,503.61/3,455.08 = 1,559.96/x
  3. Step 3: Cross multiply
    2,503.61x = 3,455.08 × 1,559.96
  4. Step 4: Simplify right side
    2,503.61x = 5,389,765.42
  5. Step 5: Solve for x
    x = 5,389,765.42/2,503.61
  6. Step 6: Final answer
    x = 2,152.80

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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.