Home / 2,515.34-3,750.89-2,340.05

Finding the Fourth Proportional to 2,515.34, 3,750.89 and 2,340.05

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Solution

The fourth proportional to 2,515.34, 3,750.89 and 2,340.05 is: 3,489.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,515.34 : 3,750.89 = 2,340.05 : x
  2. Step 2: Convert to fraction form
    2,515.34/3,750.89 = 2,340.05/x
  3. Step 3: Cross multiply
    2,515.34x = 3,750.89 × 2,340.05
  4. Step 4: Simplify right side
    2,515.34x = 8,777,239.69
  5. Step 5: Solve for x
    x = 8,777,239.69/2,515.34
  6. Step 6: Final answer
    x = 3,489.48

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.