Home / 2,721.95-3,755.20-1,777.44

Finding the Fourth Proportional to 2,721.95, 3,755.20 and 1,777.44

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Solution

The fourth proportional to 2,721.95, 3,755.20 and 1,777.44 is: 2,452.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,721.95 : 3,755.20 = 1,777.44 : x
  2. Step 2: Convert to fraction form
    2,721.95/3,755.20 = 1,777.44/x
  3. Step 3: Cross multiply
    2,721.95x = 3,755.20 × 1,777.44
  4. Step 4: Simplify right side
    2,721.95x = 6,674,642.69
  5. Step 5: Solve for x
    x = 6,674,642.69/2,721.95
  6. Step 6: Final answer
    x = 2,452.15

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1.5x scale

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.