Home / 3,851.40-5,777.50-2,095.32

Finding the Fourth Proportional to 3,851.40, 5,777.50 and 2,095.32

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Solution

The fourth proportional to 3,851.40, 5,777.50 and 2,095.32 is: 3,143.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,851.40 : 5,777.50 = 2,095.32 : x
  2. Step 2: Convert to fraction form
    3,851.40/5,777.50 = 2,095.32/x
  3. Step 3: Cross multiply
    3,851.40x = 5,777.50 × 2,095.32
  4. Step 4: Simplify right side
    3,851.40x = 12,105,711.30
  5. Step 5: Solve for x
    x = 12,105,711.30/3,851.40
  6. Step 6: Final answer
    x = 3,143.20

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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.