Home / 3,911.11-5,393.00-2,492.55

Finding the Fourth Proportional to 3,911.11, 5,393.00 and 2,492.55

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Solution

The fourth proportional to 3,911.11, 5,393.00 and 2,492.55 is: 3,436.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,911.11 : 5,393.00 = 2,492.55 : x
  2. Step 2: Convert to fraction form
    3,911.11/5,393.00 = 2,492.55/x
  3. Step 3: Cross multiply
    3,911.11x = 5,393.00 × 2,492.55
  4. Step 4: Simplify right side
    3,911.11x = 13,442,319.83
  5. Step 5: Solve for x
    x = 13,442,319.83/3,911.11
  6. Step 6: Final answer
    x = 3,436.96

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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.