Home / 3,114.26-4,669.84-922.40

Finding the Fourth Proportional to 3,114.26, 4,669.84 and 922.40

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Solution

The fourth proportional to 3,114.26, 4,669.84 and 922.40 is: 1,383.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,114.26 : 4,669.84 = 922.40 : x
  2. Step 2: Convert to fraction form
    3,114.26/4,669.84 = 922.40/x
  3. Step 3: Cross multiply
    3,114.26x = 4,669.84 × 922.40
  4. Step 4: Simplify right side
    3,114.26x = 4,307,460.42
  5. Step 5: Solve for x
    x = 4,307,460.42/3,114.26
  6. Step 6: Final answer
    x = 1,383.14

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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.