Home / 2,889.46-4,309.48-2,453.55

Finding the Fourth Proportional to 2,889.46, 4,309.48 and 2,453.55

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Solution

The fourth proportional to 2,889.46, 4,309.48 and 2,453.55 is: 3,659.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,889.46 : 4,309.48 = 2,453.55 : x
  2. Step 2: Convert to fraction form
    2,889.46/4,309.48 = 2,453.55/x
  3. Step 3: Cross multiply
    2,889.46x = 4,309.48 × 2,453.55
  4. Step 4: Simplify right side
    2,889.46x = 10,573,524.65
  5. Step 5: Solve for x
    x = 10,573,524.65/2,889.46
  6. Step 6: Final answer
    x = 3,659.34

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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.