Home / 2,637.20-3,956.88-1,175.36

Finding the Fourth Proportional to 2,637.20, 3,956.88 and 1,175.36

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Solution

The fourth proportional to 2,637.20, 3,956.88 and 1,175.36 is: 1,763.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,637.20 : 3,956.88 = 1,175.36 : x
  2. Step 2: Convert to fraction form
    2,637.20/3,956.88 = 1,175.36/x
  3. Step 3: Cross multiply
    2,637.20x = 3,956.88 × 1,175.36
  4. Step 4: Simplify right side
    2,637.20x = 4,650,758.48
  5. Step 5: Solve for x
    x = 4,650,758.48/2,637.20
  6. Step 6: Final answer
    x = 1,763.52

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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.