Home / 2,290.44-3,432.78-1,509.96

Finding the Fourth Proportional to 2,290.44, 3,432.78 and 1,509.96

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Solution

The fourth proportional to 2,290.44, 3,432.78 and 1,509.96 is: 2,263.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,290.44 : 3,432.78 = 1,509.96 : x
  2. Step 2: Convert to fraction form
    2,290.44/3,432.78 = 1,509.96/x
  3. Step 3: Cross multiply
    2,290.44x = 3,432.78 × 1,509.96
  4. Step 4: Simplify right side
    2,290.44x = 5,183,360.49
  5. Step 5: Solve for x
    x = 5,183,360.49/2,290.44
  6. Step 6: Final answer
    x = 2,263.04

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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.