Home / 3,432.77-5,149.40-1,241.51

Finding the Fourth Proportional to 3,432.77, 5,149.40 and 1,241.51

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Solution

The fourth proportional to 3,432.77, 5,149.40 and 1,241.51 is: 1,862.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,432.77 : 5,149.40 = 1,241.51 : x
  2. Step 2: Convert to fraction form
    3,432.77/5,149.40 = 1,241.51/x
  3. Step 3: Cross multiply
    3,432.77x = 5,149.40 × 1,241.51
  4. Step 4: Simplify right side
    3,432.77x = 6,392,999.64
  5. Step 5: Solve for x
    x = 6,392,999.64/3,432.77
  6. Step 6: Final answer
    x = 1,862.35

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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.