Home / 3,799.89-5,243.45-2,228.90

Finding the Fourth Proportional to 3,799.89, 5,243.45 and 2,228.90

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Solution

The fourth proportional to 3,799.89, 5,243.45 and 2,228.90 is: 3,075.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,799.89 : 5,243.45 = 2,228.90 : x
  2. Step 2: Convert to fraction form
    3,799.89/5,243.45 = 2,228.90/x
  3. Step 3: Cross multiply
    3,799.89x = 5,243.45 × 2,228.90
  4. Step 4: Simplify right side
    3,799.89x = 11,687,088.34
  5. Step 5: Solve for x
    x = 11,687,088.34/3,799.89
  6. Step 6: Final answer
    x = 3,075.64

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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.