Home / 1,540.80-2,312.04-566.76

Finding the Fourth Proportional to 1,540.80, 2,312.04 and 566.76

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Solution

The fourth proportional to 1,540.80, 2,312.04 and 566.76 is: 850.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,540.80 : 2,312.04 = 566.76 : x
  2. Step 2: Convert to fraction form
    1,540.80/2,312.04 = 566.76/x
  3. Step 3: Cross multiply
    1,540.80x = 2,312.04 × 566.76
  4. Step 4: Simplify right side
    1,540.80x = 1,310,371.79
  5. Step 5: Solve for x
    x = 1,310,371.79/1,540.80
  6. Step 6: Final answer
    x = 850.45

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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.