Home / 2,378.16-3,567.08-838.96

Finding the Fourth Proportional to 2,378.16, 3,567.08 and 838.96

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Solution

The fourth proportional to 2,378.16, 3,567.08 and 838.96 is: 1,258.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,378.16 : 3,567.08 = 838.96 : x
  2. Step 2: Convert to fraction form
    2,378.16/3,567.08 = 838.96/x
  3. Step 3: Cross multiply
    2,378.16x = 3,567.08 × 838.96
  4. Step 4: Simplify right side
    2,378.16x = 2,992,637.44
  5. Step 5: Solve for x
    x = 2,992,637.44/2,378.16
  6. Step 6: Final answer
    x = 1,258.38

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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.