Home / 3,854.79-5,319.05-2,260.84

Finding the Fourth Proportional to 3,854.79, 5,319.05 and 2,260.84

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Solution

The fourth proportional to 3,854.79, 5,319.05 and 2,260.84 is: 3,119.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,854.79 : 5,319.05 = 2,260.84 : x
  2. Step 2: Convert to fraction form
    3,854.79/5,319.05 = 2,260.84/x
  3. Step 3: Cross multiply
    3,854.79x = 5,319.05 × 2,260.84
  4. Step 4: Simplify right side
    3,854.79x = 12,025,521.00
  5. Step 5: Solve for x
    x = 12,025,521.00/3,854.79
  6. Step 6: Final answer
    x = 3,119.63

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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.