Home / 2,883.28-3,953.42-2,602.48

Finding the Fourth Proportional to 2,883.28, 3,953.42 and 2,602.48

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Solution

The fourth proportional to 2,883.28, 3,953.42 and 2,602.48 is: 3,568.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,883.28 : 3,953.42 = 2,602.48 : x
  2. Step 2: Convert to fraction form
    2,883.28/3,953.42 = 2,602.48/x
  3. Step 3: Cross multiply
    2,883.28x = 3,953.42 × 2,602.48
  4. Step 4: Simplify right side
    2,883.28x = 10,288,696.48
  5. Step 5: Solve for x
    x = 10,288,696.48/2,883.28
  6. Step 6: Final answer
    x = 3,568.40

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.