Home / 2,637.19-3,954.45-881.57

Finding the Fourth Proportional to 2,637.19, 3,954.45 and 881.57

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Solution

The fourth proportional to 2,637.19, 3,954.45 and 881.57 is: 1,321.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,637.19 : 3,954.45 = 881.57 : x
  2. Step 2: Convert to fraction form
    2,637.19/3,954.45 = 881.57/x
  3. Step 3: Cross multiply
    2,637.19x = 3,954.45 × 881.57
  4. Step 4: Simplify right side
    2,637.19x = 3,486,124.49
  5. Step 5: Solve for x
    x = 3,486,124.49/2,637.19
  6. Step 6: Final answer
    x = 1,321.91

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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.