Home / 3,251.58-4,485.15-2,132.58

Finding the Fourth Proportional to 3,251.58, 4,485.15 and 2,132.58

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Solution

The fourth proportional to 3,251.58, 4,485.15 and 2,132.58 is: 2,941.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,251.58 : 4,485.15 = 2,132.58 : x
  2. Step 2: Convert to fraction form
    3,251.58/4,485.15 = 2,132.58/x
  3. Step 3: Cross multiply
    3,251.58x = 4,485.15 × 2,132.58
  4. Step 4: Simplify right side
    3,251.58x = 9,564,941.19
  5. Step 5: Solve for x
    x = 9,564,941.19/3,251.58
  6. Step 6: Final answer
    x = 2,941.63

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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.