Home / 3,830.98-5,287.45-2,259.14

Finding the Fourth Proportional to 3,830.98, 5,287.45 and 2,259.14

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Solution

The fourth proportional to 3,830.98, 5,287.45 and 2,259.14 is: 3,118.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,830.98 : 5,287.45 = 2,259.14 : x
  2. Step 2: Convert to fraction form
    3,830.98/5,287.45 = 2,259.14/x
  3. Step 3: Cross multiply
    3,830.98x = 5,287.45 × 2,259.14
  4. Step 4: Simplify right side
    3,830.98x = 11,945,089.79
  5. Step 5: Solve for x
    x = 11,945,089.79/3,830.98
  6. Step 6: Final answer
    x = 3,118.02

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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.