Home / 2,010.15-3,008.43-1,520.46

Finding the Fourth Proportional to 2,010.15, 3,008.43 and 1,520.46

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Solution

The fourth proportional to 2,010.15, 3,008.43 and 1,520.46 is: 2,275.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,010.15 : 3,008.43 = 1,520.46 : x
  2. Step 2: Convert to fraction form
    2,010.15/3,008.43 = 1,520.46/x
  3. Step 3: Cross multiply
    2,010.15x = 3,008.43 × 1,520.46
  4. Step 4: Simplify right side
    2,010.15x = 4,574,197.48
  5. Step 5: Solve for x
    x = 4,574,197.48/2,010.15
  6. Step 6: Final answer
    x = 2,275.55

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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.