Home / 3,252.40-4,879.68-1,303.60

Finding the Fourth Proportional to 3,252.40, 4,879.68 and 1,303.60

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Solution

The fourth proportional to 3,252.40, 4,879.68 and 1,303.60 is: 1,955.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,252.40 : 4,879.68 = 1,303.60 : x
  2. Step 2: Convert to fraction form
    3,252.40/4,879.68 = 1,303.60/x
  3. Step 3: Cross multiply
    3,252.40x = 4,879.68 × 1,303.60
  4. Step 4: Simplify right side
    3,252.40x = 6,361,150.85
  5. Step 5: Solve for x
    x = 6,361,150.85/3,252.40
  6. Step 6: Final answer
    x = 1,955.83

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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.