Home / 1,486.11-2,227.20-560.76

Finding the Fourth Proportional to 1,486.11, 2,227.20 and 560.76

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Solution

The fourth proportional to 1,486.11, 2,227.20 and 560.76 is: 840.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,486.11 : 2,227.20 = 560.76 : x
  2. Step 2: Convert to fraction form
    1,486.11/2,227.20 = 560.76/x
  3. Step 3: Cross multiply
    1,486.11x = 2,227.20 × 560.76
  4. Step 4: Simplify right side
    1,486.11x = 1,248,924.67
  5. Step 5: Solve for x
    x = 1,248,924.67/1,486.11
  6. Step 6: Final answer
    x = 840.40

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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.