Home / 3,946.28-5,445.45-2,330.93

Finding the Fourth Proportional to 3,946.28, 5,445.45 and 2,330.93

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Solution

The fourth proportional to 3,946.28, 5,445.45 and 2,330.93 is: 3,216.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,946.28 : 5,445.45 = 2,330.93 : x
  2. Step 2: Convert to fraction form
    3,946.28/5,445.45 = 2,330.93/x
  3. Step 3: Cross multiply
    3,946.28x = 5,445.45 × 2,330.93
  4. Step 4: Simplify right side
    3,946.28x = 12,692,935.54
  5. Step 5: Solve for x
    x = 12,692,935.54/3,946.28
  6. Step 6: Final answer
    x = 3,216.43

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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.