Home / 1,241.24-1,860.14-546.87

Finding the Fourth Proportional to 1,241.24, 1,860.14 and 546.87

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Solution

The fourth proportional to 1,241.24, 1,860.14 and 546.87 is: 819.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,241.24 : 1,860.14 = 546.87 : x
  2. Step 2: Convert to fraction form
    1,241.24/1,860.14 = 546.87/x
  3. Step 3: Cross multiply
    1,241.24x = 1,860.14 × 546.87
  4. Step 4: Simplify right side
    1,241.24x = 1,017,254.76
  5. Step 5: Solve for x
    x = 1,017,254.76/1,241.24
  6. Step 6: Final answer
    x = 819.55

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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.