Home / 2,502.40-3,756.80-2,388.96

Finding the Fourth Proportional to 2,502.40, 3,756.80 and 2,388.96

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Solution

The fourth proportional to 2,502.40, 3,756.80 and 2,388.96 is: 3,586.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,502.40 : 3,756.80 = 2,388.96 : x
  2. Step 2: Convert to fraction form
    2,502.40/3,756.80 = 2,388.96/x
  3. Step 3: Cross multiply
    2,502.40x = 3,756.80 × 2,388.96
  4. Step 4: Simplify right side
    2,502.40x = 8,974,844.93
  5. Step 5: Solve for x
    x = 8,974,844.93/2,502.40
  6. Step 6: Final answer
    x = 3,586.49

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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.