Home / 3,943.28-5,442.31-2,598.68

Finding the Fourth Proportional to 3,943.28, 5,442.31 and 2,598.68

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Solution

The fourth proportional to 3,943.28, 5,442.31 and 2,598.68 is: 3,586.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,943.28 : 5,442.31 = 2,598.68 : x
  2. Step 2: Convert to fraction form
    3,943.28/5,442.31 = 2,598.68/x
  3. Step 3: Cross multiply
    3,943.28x = 5,442.31 × 2,598.68
  4. Step 4: Simplify right side
    3,943.28x = 14,142,808.85
  5. Step 5: Solve for x
    x = 14,142,808.85/3,943.28
  6. Step 6: Final answer
    x = 3,586.56

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1.5x scale

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.