Home / 3,854.77-5,319.01-2,260.81

Finding the Fourth Proportional to 3,854.77, 5,319.01 and 2,260.81

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Solution

The fourth proportional to 3,854.77, 5,319.01 and 2,260.81 is: 3,119.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,854.77 : 5,319.01 = 2,260.81 : x
  2. Step 2: Convert to fraction form
    3,854.77/5,319.01 = 2,260.81/x
  3. Step 3: Cross multiply
    3,854.77x = 5,319.01 × 2,260.81
  4. Step 4: Simplify right side
    3,854.77x = 12,025,259.69
  5. Step 5: Solve for x
    x = 12,025,259.69/3,854.77
  6. Step 6: Final answer
    x = 3,119.58

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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.