Home / 3,236.52-4,854.78-1,288.74

Finding the Fourth Proportional to 3,236.52, 4,854.78 and 1,288.74

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Solution

The fourth proportional to 3,236.52, 4,854.78 and 1,288.74 is: 1,933.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,236.52 : 4,854.78 = 1,288.74 : x
  2. Step 2: Convert to fraction form
    3,236.52/4,854.78 = 1,288.74/x
  3. Step 3: Cross multiply
    3,236.52x = 4,854.78 × 1,288.74
  4. Step 4: Simplify right side
    3,236.52x = 6,256,549.18
  5. Step 5: Solve for x
    x = 6,256,549.18/3,236.52
  6. Step 6: Final answer
    x = 1,933.11

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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.