Home / 3,368.89-5,054.55-1,422.46

Finding the Fourth Proportional to 3,368.89, 5,054.55 and 1,422.46

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Solution

The fourth proportional to 3,368.89, 5,054.55 and 1,422.46 is: 2,134.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,368.89 : 5,054.55 = 1,422.46 : x
  2. Step 2: Convert to fraction form
    3,368.89/5,054.55 = 1,422.46/x
  3. Step 3: Cross multiply
    3,368.89x = 5,054.55 × 1,422.46
  4. Step 4: Simplify right side
    3,368.89x = 7,189,895.19
  5. Step 5: Solve for x
    x = 7,189,895.19/3,368.89
  6. Step 6: Final answer
    x = 2,134.20

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.