Home / 3,442.11-5,164.93-1,687.08

Finding the Fourth Proportional to 3,442.11, 5,164.93 and 1,687.08

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Solution

The fourth proportional to 3,442.11, 5,164.93 and 1,687.08 is: 2,531.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,442.11 : 5,164.93 = 1,687.08 : x
  2. Step 2: Convert to fraction form
    3,442.11/5,164.93 = 1,687.08/x
  3. Step 3: Cross multiply
    3,442.11x = 5,164.93 × 1,687.08
  4. Step 4: Simplify right side
    3,442.11x = 8,713,635.41
  5. Step 5: Solve for x
    x = 8,713,635.41/3,442.11
  6. Step 6: Final answer
    x = 2,531.48

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1.5x scale

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.