Home / 4,149.81-5,726.63-2,286.81

Finding the Fourth Proportional to 4,149.81, 5,726.63 and 2,286.81

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Solution

The fourth proportional to 4,149.81, 5,726.63 and 2,286.81 is: 3,155.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,149.81 : 5,726.63 = 2,286.81 : x
  2. Step 2: Convert to fraction form
    4,149.81/5,726.63 = 2,286.81/x
  3. Step 3: Cross multiply
    4,149.81x = 5,726.63 × 2,286.81
  4. Step 4: Simplify right side
    4,149.81x = 13,095,703.32
  5. Step 5: Solve for x
    x = 13,095,703.32/4,149.81
  6. Step 6: Final answer
    x = 3,155.74

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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.