Home / 3,908.64-5,393.28-2,230.05

Finding the Fourth Proportional to 3,908.64, 5,393.28 and 2,230.05

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Solution

The fourth proportional to 3,908.64, 5,393.28 and 2,230.05 is: 3,077.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,908.64 : 5,393.28 = 2,230.05 : x
  2. Step 2: Convert to fraction form
    3,908.64/5,393.28 = 2,230.05/x
  3. Step 3: Cross multiply
    3,908.64x = 5,393.28 × 2,230.05
  4. Step 4: Simplify right side
    3,908.64x = 12,027,284.06
  5. Step 5: Solve for x
    x = 12,027,284.06/3,908.64
  6. Step 6: Final answer
    x = 3,077.10

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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.