Home / 2,713.60-4,065.92-1,685.44

Finding the Fourth Proportional to 2,713.60, 4,065.92 and 1,685.44

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Solution

The fourth proportional to 2,713.60, 4,065.92 and 1,685.44 is: 2,525.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,713.60 : 4,065.92 = 1,685.44 : x
  2. Step 2: Convert to fraction form
    2,713.60/4,065.92 = 1,685.44/x
  3. Step 3: Cross multiply
    2,713.60x = 4,065.92 × 1,685.44
  4. Step 4: Simplify right side
    2,713.60x = 6,852,864.20
  5. Step 5: Solve for x
    x = 6,852,864.20/2,713.60
  6. Step 6: Final answer
    x = 2,525.38

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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.