Home / 3,108.36-4,659.27-1,258.71

Finding the Fourth Proportional to 3,108.36, 4,659.27 and 1,258.71

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Solution

The fourth proportional to 3,108.36, 4,659.27 and 1,258.71 is: 1,886.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,108.36 : 4,659.27 = 1,258.71 : x
  2. Step 2: Convert to fraction form
    3,108.36/4,659.27 = 1,258.71/x
  3. Step 3: Cross multiply
    3,108.36x = 4,659.27 × 1,258.71
  4. Step 4: Simplify right side
    3,108.36x = 5,864,669.74
  5. Step 5: Solve for x
    x = 5,864,669.74/3,108.36
  6. Step 6: Final answer
    x = 1,886.74

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1.5x scale

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.