Home / 3,923.85-5,886.68-1,150.74

Finding the Fourth Proportional to 3,923.85, 5,886.68 and 1,150.74

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Solution

The fourth proportional to 3,923.85, 5,886.68 and 1,150.74 is: 1,726.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,923.85 : 5,886.68 = 1,150.74 : x
  2. Step 2: Convert to fraction form
    3,923.85/5,886.68 = 1,150.74/x
  3. Step 3: Cross multiply
    3,923.85x = 5,886.68 × 1,150.74
  4. Step 4: Simplify right side
    3,923.85x = 6,774,008.71
  5. Step 5: Solve for x
    x = 6,774,008.71/3,923.85
  6. Step 6: Final answer
    x = 1,726.37

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.