Home / 3,761.90-5,189.15-2,417.06

Finding the Fourth Proportional to 3,761.90, 5,189.15 and 2,417.06

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Solution

The fourth proportional to 3,761.90, 5,189.15 and 2,417.06 is: 3,334.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,761.90 : 5,189.15 = 2,417.06 : x
  2. Step 2: Convert to fraction form
    3,761.90/5,189.15 = 2,417.06/x
  3. Step 3: Cross multiply
    3,761.90x = 5,189.15 × 2,417.06
  4. Step 4: Simplify right side
    3,761.90x = 12,542,448.87
  5. Step 5: Solve for x
    x = 12,542,448.87/3,761.90
  6. Step 6: Final answer
    x = 3,334.07

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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.