Home / 3,251.48-4,486.25-1,925.51

Finding the Fourth Proportional to 3,251.48, 4,486.25 and 1,925.51

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Solution

The fourth proportional to 3,251.48, 4,486.25 and 1,925.51 is: 2,656.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,251.48 : 4,486.25 = 1,925.51 : x
  2. Step 2: Convert to fraction form
    3,251.48/4,486.25 = 1,925.51/x
  3. Step 3: Cross multiply
    3,251.48x = 4,486.25 × 1,925.51
  4. Step 4: Simplify right side
    3,251.48x = 8,638,301.62
  5. Step 5: Solve for x
    x = 8,638,301.62/3,251.48
  6. Step 6: Final answer
    x = 2,656.73

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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.