Home / 2,515.64-3,774.14-1,217.10

Finding the Fourth Proportional to 2,515.64, 3,774.14 and 1,217.10

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Solution

The fourth proportional to 2,515.64, 3,774.14 and 1,217.10 is: 1,825.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,515.64 : 3,774.14 = 1,217.10 : x
  2. Step 2: Convert to fraction form
    2,515.64/3,774.14 = 1,217.10/x
  3. Step 3: Cross multiply
    2,515.64x = 3,774.14 × 1,217.10
  4. Step 4: Simplify right side
    2,515.64x = 4,593,505.79
  5. Step 5: Solve for x
    x = 4,593,505.79/2,515.64
  6. Step 6: Final answer
    x = 1,825.98

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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.