Home / 3,154.20-4,351.96-1,895.32

Finding the Fourth Proportional to 3,154.20, 4,351.96 and 1,895.32

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Solution

The fourth proportional to 3,154.20, 4,351.96 and 1,895.32 is: 2,615.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,154.20 : 4,351.96 = 1,895.32 : x
  2. Step 2: Convert to fraction form
    3,154.20/4,351.96 = 1,895.32/x
  3. Step 3: Cross multiply
    3,154.20x = 4,351.96 × 1,895.32
  4. Step 4: Simplify right side
    3,154.20x = 8,248,356.83
  5. Step 5: Solve for x
    x = 8,248,356.83/3,154.20
  6. Step 6: Final answer
    x = 2,615.04

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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.