Home / 2,400.40-3,311.76-1,352.44

Finding the Fourth Proportional to 2,400.40, 3,311.76 and 1,352.44

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Solution

The fourth proportional to 2,400.40, 3,311.76 and 1,352.44 is: 1,865.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,400.40 : 3,311.76 = 1,352.44 : x
  2. Step 2: Convert to fraction form
    2,400.40/3,311.76 = 1,352.44/x
  3. Step 3: Cross multiply
    2,400.40x = 3,311.76 × 1,352.44
  4. Step 4: Simplify right side
    2,400.40x = 4,478,956.69
  5. Step 5: Solve for x
    x = 4,478,956.69/2,400.40
  6. Step 6: Final answer
    x = 1,865.92

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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.