Home / 3,433.69-5,148.31-1,242.14

Finding the Fourth Proportional to 3,433.69, 5,148.31 and 1,242.14

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Solution

The fourth proportional to 3,433.69, 5,148.31 and 1,242.14 is: 1,862.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,433.69 : 5,148.31 = 1,242.14 : x
  2. Step 2: Convert to fraction form
    3,433.69/5,148.31 = 1,242.14/x
  3. Step 3: Cross multiply
    3,433.69x = 5,148.31 × 1,242.14
  4. Step 4: Simplify right side
    3,433.69x = 6,394,895.27
  5. Step 5: Solve for x
    x = 6,394,895.27/3,433.69
  6. Step 6: Final answer
    x = 1,862.40

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1.5x scale

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.