Home / 2,877.39-4,310.28-1,765.40

Finding the Fourth Proportional to 2,877.39, 4,310.28 and 1,765.40

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Solution

The fourth proportional to 2,877.39, 4,310.28 and 1,765.40 is: 2,644.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,877.39 : 4,310.28 = 1,765.40 : x
  2. Step 2: Convert to fraction form
    2,877.39/4,310.28 = 1,765.40/x
  3. Step 3: Cross multiply
    2,877.39x = 4,310.28 × 1,765.40
  4. Step 4: Simplify right side
    2,877.39x = 7,609,346.76
  5. Step 5: Solve for x
    x = 7,609,346.76/2,877.39
  6. Step 6: Final answer
    x = 2,644.53

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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.