Home / 3,758.51-5,188.55-2,501.66

Finding the Fourth Proportional to 3,758.51, 5,188.55 and 2,501.66

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Solution

The fourth proportional to 3,758.51, 5,188.55 and 2,501.66 is: 3,453.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,758.51 : 5,188.55 = 2,501.66 : x
  2. Step 2: Convert to fraction form
    3,758.51/5,188.55 = 2,501.66/x
  3. Step 3: Cross multiply
    3,758.51x = 5,188.55 × 2,501.66
  4. Step 4: Simplify right side
    3,758.51x = 12,979,949.54
  5. Step 5: Solve for x
    x = 12,979,949.54/3,758.51
  6. Step 6: Final answer
    x = 3,453.49

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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.