Home / 3,461.18-5,188.68-1,268.42

Finding the Fourth Proportional to 3,461.18, 5,188.68 and 1,268.42

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Solution

The fourth proportional to 3,461.18, 5,188.68 and 1,268.42 is: 1,901.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,461.18 : 5,188.68 = 1,268.42 : x
  2. Step 2: Convert to fraction form
    3,461.18/5,188.68 = 1,268.42/x
  3. Step 3: Cross multiply
    3,461.18x = 5,188.68 × 1,268.42
  4. Step 4: Simplify right side
    3,461.18x = 6,581,425.49
  5. Step 5: Solve for x
    x = 6,581,425.49/3,461.18
  6. Step 6: Final answer
    x = 1,901.50

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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.