Home / 2,433.12-3,645.48-1,916.42

Finding the Fourth Proportional to 2,433.12, 3,645.48 and 1,916.42

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Solution

The fourth proportional to 2,433.12, 3,645.48 and 1,916.42 is: 2,871.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,433.12 : 3,645.48 = 1,916.42 : x
  2. Step 2: Convert to fraction form
    2,433.12/3,645.48 = 1,916.42/x
  3. Step 3: Cross multiply
    2,433.12x = 3,645.48 × 1,916.42
  4. Step 4: Simplify right side
    2,433.12x = 6,986,270.78
  5. Step 5: Solve for x
    x = 6,986,270.78/2,433.12
  6. Step 6: Final answer
    x = 2,871.32

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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.