Home / 2,359.04-3,255.52-1,296.80

Finding the Fourth Proportional to 2,359.04, 3,255.52 and 1,296.80

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Solution

The fourth proportional to 2,359.04, 3,255.52 and 1,296.80 is: 1,789.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,359.04 : 3,255.52 = 1,296.80 : x
  2. Step 2: Convert to fraction form
    2,359.04/3,255.52 = 1,296.80/x
  3. Step 3: Cross multiply
    2,359.04x = 3,255.52 × 1,296.80
  4. Step 4: Simplify right side
    2,359.04x = 4,221,758.34
  5. Step 5: Solve for x
    x = 4,221,758.34/2,359.04
  6. Step 6: Final answer
    x = 1,789.61

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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.