Home / 4,175.88-5,762.78-2,312.88

Finding the Fourth Proportional to 4,175.88, 5,762.78 and 2,312.88

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Solution

The fourth proportional to 4,175.88, 5,762.78 and 2,312.88 is: 3,191.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,175.88 : 5,762.78 = 2,312.88 : x
  2. Step 2: Convert to fraction form
    4,175.88/5,762.78 = 2,312.88/x
  3. Step 3: Cross multiply
    4,175.88x = 5,762.78 × 2,312.88
  4. Step 4: Simplify right side
    4,175.88x = 13,328,618.61
  5. Step 5: Solve for x
    x = 13,328,618.61/4,175.88
  6. Step 6: Final answer
    x = 3,191.81

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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.