Home / 4,127.28-5,694.80-2,615.34

Finding the Fourth Proportional to 4,127.28, 5,694.80 and 2,615.34

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Solution

The fourth proportional to 4,127.28, 5,694.80 and 2,615.34 is: 3,608.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,127.28 : 5,694.80 = 2,615.34 : x
  2. Step 2: Convert to fraction form
    4,127.28/5,694.80 = 2,615.34/x
  3. Step 3: Cross multiply
    4,127.28x = 5,694.80 × 2,615.34
  4. Step 4: Simplify right side
    4,127.28x = 14,893,838.23
  5. Step 5: Solve for x
    x = 14,893,838.23/4,127.28
  6. Step 6: Final answer
    x = 3,608.63

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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.