Home / 2,971.08-4,458.18-1,740.90

Finding the Fourth Proportional to 2,971.08, 4,458.18 and 1,740.90

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Solution

The fourth proportional to 2,971.08, 4,458.18 and 1,740.90 is: 2,612.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,971.08 : 4,458.18 = 1,740.90 : x
  2. Step 2: Convert to fraction form
    2,971.08/4,458.18 = 1,740.90/x
  3. Step 3: Cross multiply
    2,971.08x = 4,458.18 × 1,740.90
  4. Step 4: Simplify right side
    2,971.08x = 7,761,245.56
  5. Step 5: Solve for x
    x = 7,761,245.56/2,971.08
  6. Step 6: Final answer
    x = 2,612.26

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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.