Home / 2,250.03-3,102.15-1,540.65

Finding the Fourth Proportional to 2,250.03, 3,102.15 and 1,540.65

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Solution

The fourth proportional to 2,250.03, 3,102.15 and 1,540.65 is: 2,124.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,250.03 : 3,102.15 = 1,540.65 : x
  2. Step 2: Convert to fraction form
    2,250.03/3,102.15 = 1,540.65/x
  3. Step 3: Cross multiply
    2,250.03x = 3,102.15 × 1,540.65
  4. Step 4: Simplify right side
    2,250.03x = 4,779,327.40
  5. Step 5: Solve for x
    x = 4,779,327.40/2,250.03
  6. Step 6: Final answer
    x = 2,124.12

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.