Home / 3,232.40-4,847.72-1,257.68

Finding the Fourth Proportional to 3,232.40, 4,847.72 and 1,257.68

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Solution

The fourth proportional to 3,232.40, 4,847.72 and 1,257.68 is: 1,886.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,232.40 : 4,847.72 = 1,257.68 : x
  2. Step 2: Convert to fraction form
    3,232.40/4,847.72 = 1,257.68/x
  3. Step 3: Cross multiply
    3,232.40x = 4,847.72 × 1,257.68
  4. Step 4: Simplify right side
    3,232.40x = 6,096,880.49
  5. Step 5: Solve for x
    x = 6,096,880.49/3,232.40
  6. Step 6: Final answer
    x = 1,886.18

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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.