Home / 3,187.64-4,776.08-2,258.70

Finding the Fourth Proportional to 3,187.64, 4,776.08 and 2,258.70

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Solution

The fourth proportional to 3,187.64, 4,776.08 and 2,258.70 is: 3,384.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,187.64 : 4,776.08 = 2,258.70 : x
  2. Step 2: Convert to fraction form
    3,187.64/4,776.08 = 2,258.70/x
  3. Step 3: Cross multiply
    3,187.64x = 4,776.08 × 2,258.70
  4. Step 4: Simplify right side
    3,187.64x = 10,787,731.90
  5. Step 5: Solve for x
    x = 10,787,731.90/3,187.64
  6. Step 6: Final answer
    x = 3,384.24

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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.