Home / 4,148.66-5,726.36-2,660.56

Finding the Fourth Proportional to 4,148.66, 5,726.36 and 2,660.56

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Solution

The fourth proportional to 4,148.66, 5,726.36 and 2,660.56 is: 3,672.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,148.66 : 5,726.36 = 2,660.56 : x
  2. Step 2: Convert to fraction form
    4,148.66/5,726.36 = 2,660.56/x
  3. Step 3: Cross multiply
    4,148.66x = 5,726.36 × 2,660.56
  4. Step 4: Simplify right side
    4,148.66x = 15,235,324.36
  5. Step 5: Solve for x
    x = 15,235,324.36/4,148.66
  6. Step 6: Final answer
    x = 3,672.35

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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.