Home / 2,637.18-3,953.80-881.17

Finding the Fourth Proportional to 2,637.18, 3,953.80 and 881.17

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Solution

The fourth proportional to 2,637.18, 3,953.80 and 881.17 is: 1,321.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,637.18 : 3,953.80 = 881.17 : x
  2. Step 2: Convert to fraction form
    2,637.18/3,953.80 = 881.17/x
  3. Step 3: Cross multiply
    2,637.18x = 3,953.80 × 881.17
  4. Step 4: Simplify right side
    2,637.18x = 3,483,954.36
  5. Step 5: Solve for x
    x = 3,483,954.36/2,637.18
  6. Step 6: Final answer
    x = 1,321.09

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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.