Home / 3,708.87-5,118.26-2,030.30

Finding the Fourth Proportional to 3,708.87, 5,118.26 and 2,030.30

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Solution

The fourth proportional to 3,708.87, 5,118.26 and 2,030.30 is: 2,801.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,708.87 : 5,118.26 = 2,030.30 : x
  2. Step 2: Convert to fraction form
    3,708.87/5,118.26 = 2,030.30/x
  3. Step 3: Cross multiply
    3,708.87x = 5,118.26 × 2,030.30
  4. Step 4: Simplify right side
    3,708.87x = 10,391,575.15
  5. Step 5: Solve for x
    x = 10,391,575.15/3,708.87
  6. Step 6: Final answer
    x = 2,801.81

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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.