Home / 2,865.46-4,274.40-2,769.48

Finding the Fourth Proportional to 2,865.46, 4,274.40 and 2,769.48

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Solution

The fourth proportional to 2,865.46, 4,274.40 and 2,769.48 is: 4,131.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,865.46 : 4,274.40 = 2,769.48 : x
  2. Step 2: Convert to fraction form
    2,865.46/4,274.40 = 2,769.48/x
  3. Step 3: Cross multiply
    2,865.46x = 4,274.40 × 2,769.48
  4. Step 4: Simplify right side
    2,865.46x = 11,837,865.31
  5. Step 5: Solve for x
    x = 11,837,865.31/2,865.46
  6. Step 6: Final answer
    x = 4,131.23

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.