Home / 2,020.08-2,781.36-1,756.56

Finding the Fourth Proportional to 2,020.08, 2,781.36 and 1,756.56

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Solution

The fourth proportional to 2,020.08, 2,781.36 and 1,756.56 is: 2,418.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,020.08 : 2,781.36 = 1,756.56 : x
  2. Step 2: Convert to fraction form
    2,020.08/2,781.36 = 1,756.56/x
  3. Step 3: Cross multiply
    2,020.08x = 2,781.36 × 1,756.56
  4. Step 4: Simplify right side
    2,020.08x = 4,885,625.72
  5. Step 5: Solve for x
    x = 4,885,625.72/2,020.08
  6. Step 6: Final answer
    x = 2,418.53

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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.