Home / 2,438.11-3,364.56-1,319.02

Finding the Fourth Proportional to 2,438.11, 3,364.56 and 1,319.02

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Solution

The fourth proportional to 2,438.11, 3,364.56 and 1,319.02 is: 1,820.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,438.11 : 3,364.56 = 1,319.02 : x
  2. Step 2: Convert to fraction form
    2,438.11/3,364.56 = 1,319.02/x
  3. Step 3: Cross multiply
    2,438.11x = 3,364.56 × 1,319.02
  4. Step 4: Simplify right side
    2,438.11x = 4,437,926.10
  5. Step 5: Solve for x
    x = 4,437,926.10/2,438.11
  6. Step 6: Final answer
    x = 1,820.23

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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.