Home / 3,107.55-4,661.51-1,258.62

Finding the Fourth Proportional to 3,107.55, 4,661.51 and 1,258.62

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Solution

The fourth proportional to 3,107.55, 4,661.51 and 1,258.62 is: 1,888.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,107.55 : 4,661.51 = 1,258.62 : x
  2. Step 2: Convert to fraction form
    3,107.55/4,661.51 = 1,258.62/x
  3. Step 3: Cross multiply
    3,107.55x = 4,661.51 × 1,258.62
  4. Step 4: Simplify right side
    3,107.55x = 5,867,063.42
  5. Step 5: Solve for x
    x = 5,867,063.42/3,107.55
  6. Step 6: Final answer
    x = 1,888.00

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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.