Home / 3,941.87-5,439.75-2,263.46

Finding the Fourth Proportional to 3,941.87, 5,439.75 and 2,263.46

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Solution

The fourth proportional to 3,941.87, 5,439.75 and 2,263.46 is: 3,123.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,941.87 : 5,439.75 = 2,263.46 : x
  2. Step 2: Convert to fraction form
    3,941.87/5,439.75 = 2,263.46/x
  3. Step 3: Cross multiply
    3,941.87x = 5,439.75 × 2,263.46
  4. Step 4: Simplify right side
    3,941.87x = 12,312,629.34
  5. Step 5: Solve for x
    x = 12,312,629.34/3,941.87
  6. Step 6: Final answer
    x = 3,123.55

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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.