Home / 2,891.22-4,337.40-1,159.98

Finding the Fourth Proportional to 2,891.22, 4,337.40 and 1,159.98

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Solution

The fourth proportional to 2,891.22, 4,337.40 and 1,159.98 is: 1,740.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,891.22 : 4,337.40 = 1,159.98 : x
  2. Step 2: Convert to fraction form
    2,891.22/4,337.40 = 1,159.98/x
  3. Step 3: Cross multiply
    2,891.22x = 4,337.40 × 1,159.98
  4. Step 4: Simplify right side
    2,891.22x = 5,031,297.25
  5. Step 5: Solve for x
    x = 5,031,297.25/2,891.22
  6. Step 6: Final answer
    x = 1,740.20

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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.