Home / 3,761.88-5,188.01-2,434.20

Finding the Fourth Proportional to 3,761.88, 5,188.01 and 2,434.20

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Solution

The fourth proportional to 3,761.88, 5,188.01 and 2,434.20 is: 3,357.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,761.88 : 5,188.01 = 2,434.20 : x
  2. Step 2: Convert to fraction form
    3,761.88/5,188.01 = 2,434.20/x
  3. Step 3: Cross multiply
    3,761.88x = 5,188.01 × 2,434.20
  4. Step 4: Simplify right side
    3,761.88x = 12,628,641.77
  5. Step 5: Solve for x
    x = 12,628,641.77/3,761.88
  6. Step 6: Final answer
    x = 3,357.00

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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.