Home / 1,296.60-1,944.30-565.80

Finding the Fourth Proportional to 1,296.60, 1,944.30 and 565.80

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Solution

The fourth proportional to 1,296.60, 1,944.30 and 565.80 is: 848.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,296.60 : 1,944.30 = 565.80 : x
  2. Step 2: Convert to fraction form
    1,296.60/1,944.30 = 565.80/x
  3. Step 3: Cross multiply
    1,296.60x = 1,944.30 × 565.80
  4. Step 4: Simplify right side
    1,296.60x = 1,100,084.94
  5. Step 5: Solve for x
    x = 1,100,084.94/1,296.60
  6. Step 6: Final answer
    x = 848.44

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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.