Home / 2,519.17-3,777.49-875.28

Finding the Fourth Proportional to 2,519.17, 3,777.49 and 875.28

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Solution

The fourth proportional to 2,519.17, 3,777.49 and 875.28 is: 1,312.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,519.17 : 3,777.49 = 875.28 : x
  2. Step 2: Convert to fraction form
    2,519.17/3,777.49 = 875.28/x
  3. Step 3: Cross multiply
    2,519.17x = 3,777.49 × 875.28
  4. Step 4: Simplify right side
    2,519.17x = 3,306,361.45
  5. Step 5: Solve for x
    x = 3,306,361.45/2,519.17
  6. Step 6: Final answer
    x = 1,312.48

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1.5x scale

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.