Home / 2,531.16-3,489.80-2,152.68

Finding the Fourth Proportional to 2,531.16, 3,489.80 and 2,152.68

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Solution

The fourth proportional to 2,531.16, 3,489.80 and 2,152.68 is: 2,967.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,531.16 : 3,489.80 = 2,152.68 : x
  2. Step 2: Convert to fraction form
    2,531.16/3,489.80 = 2,152.68/x
  3. Step 3: Cross multiply
    2,531.16x = 3,489.80 × 2,152.68
  4. Step 4: Simplify right side
    2,531.16x = 7,512,422.66
  5. Step 5: Solve for x
    x = 7,512,422.66/2,531.16
  6. Step 6: Final answer
    x = 2,967.98

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.