Home / 3,645.25-5,027.65-2,451.51

Finding the Fourth Proportional to 3,645.25, 5,027.65 and 2,451.51

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Solution

The fourth proportional to 3,645.25, 5,027.65 and 2,451.51 is: 3,381.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,645.25 : 5,027.65 = 2,451.51 : x
  2. Step 2: Convert to fraction form
    3,645.25/5,027.65 = 2,451.51/x
  3. Step 3: Cross multiply
    3,645.25x = 5,027.65 × 2,451.51
  4. Step 4: Simplify right side
    3,645.25x = 12,325,328.12
  5. Step 5: Solve for x
    x = 12,325,328.12/3,645.25
  6. Step 6: Final answer
    x = 3,381.20

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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.