Home / 2,553.60-3,820.80-2,323.20

Finding the Fourth Proportional to 2,553.60, 3,820.80 and 2,323.20

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Solution

The fourth proportional to 2,553.60, 3,820.80 and 2,323.20 is: 3,476.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,553.60 : 3,820.80 = 2,323.20 : x
  2. Step 2: Convert to fraction form
    2,553.60/3,820.80 = 2,323.20/x
  3. Step 3: Cross multiply
    2,553.60x = 3,820.80 × 2,323.20
  4. Step 4: Simplify right side
    2,553.60x = 8,876,482.56
  5. Step 5: Solve for x
    x = 8,876,482.56/2,553.60
  6. Step 6: Final answer
    x = 3,476.07

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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.