Home / 4,290.28-5,918.56-2,696.16

Finding the Fourth Proportional to 4,290.28, 5,918.56 and 2,696.16

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Solution

The fourth proportional to 4,290.28, 5,918.56 and 2,696.16 is: 3,719.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,290.28 : 5,918.56 = 2,696.16 : x
  2. Step 2: Convert to fraction form
    4,290.28/5,918.56 = 2,696.16/x
  3. Step 3: Cross multiply
    4,290.28x = 5,918.56 × 2,696.16
  4. Step 4: Simplify right side
    4,290.28x = 15,957,384.73
  5. Step 5: Solve for x
    x = 15,957,384.73/4,290.28
  6. Step 6: Final answer
    x = 3,719.43

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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.