Home / 2,610.40-3,929.80-2,253.28

Finding the Fourth Proportional to 2,610.40, 3,929.80 and 2,253.28

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Solution

The fourth proportional to 2,610.40, 3,929.80 and 2,253.28 is: 3,392.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,610.40 : 3,929.80 = 2,253.28 : x
  2. Step 2: Convert to fraction form
    2,610.40/3,929.80 = 2,253.28/x
  3. Step 3: Cross multiply
    2,610.40x = 3,929.80 × 2,253.28
  4. Step 4: Simplify right side
    2,610.40x = 8,854,939.74
  5. Step 5: Solve for x
    x = 8,854,939.74/2,610.40
  6. Step 6: Final answer
    x = 3,392.18

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.