Home / 2,515.16-3,774.03-1,902.63

Finding the Fourth Proportional to 2,515.16, 3,774.03 and 1,902.63

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Solution

The fourth proportional to 2,515.16, 3,774.03 and 1,902.63 is: 2,854.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,515.16 : 3,774.03 = 1,902.63 : x
  2. Step 2: Convert to fraction form
    2,515.16/3,774.03 = 1,902.63/x
  3. Step 3: Cross multiply
    2,515.16x = 3,774.03 × 1,902.63
  4. Step 4: Simplify right side
    2,515.16x = 7,180,589.07
  5. Step 5: Solve for x
    x = 7,180,589.07/2,515.16
  6. Step 6: Final answer
    x = 2,854.92

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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.