Home / 1,515.06-2,273.40-1,404.90

Finding the Fourth Proportional to 1,515.06, 2,273.40 and 1,404.90

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Solution

The fourth proportional to 1,515.06, 2,273.40 and 1,404.90 is: 2,108.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,515.06 : 2,273.40 = 1,404.90 : x
  2. Step 2: Convert to fraction form
    1,515.06/2,273.40 = 1,404.90/x
  3. Step 3: Cross multiply
    1,515.06x = 2,273.40 × 1,404.90
  4. Step 4: Simplify right side
    1,515.06x = 3,193,899.66
  5. Step 5: Solve for x
    x = 3,193,899.66/1,515.06
  6. Step 6: Final answer
    x = 2,108.10

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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.