Home / 3,432.81-5,146.16-1,241.05

Finding the Fourth Proportional to 3,432.81, 5,146.16 and 1,241.05

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Solution

The fourth proportional to 3,432.81, 5,146.16 and 1,241.05 is: 1,860.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,432.81 : 5,146.16 = 1,241.05 : x
  2. Step 2: Convert to fraction form
    3,432.81/5,146.16 = 1,241.05/x
  3. Step 3: Cross multiply
    3,432.81x = 5,146.16 × 1,241.05
  4. Step 4: Simplify right side
    3,432.81x = 6,386,641.87
  5. Step 5: Solve for x
    x = 6,386,641.87/3,432.81
  6. Step 6: Final answer
    x = 1,860.47

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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.