Home / 2,032.11-3,047.24-645.18

Finding the Fourth Proportional to 2,032.11, 3,047.24 and 645.18

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Solution

The fourth proportional to 2,032.11, 3,047.24 and 645.18 is: 967.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,032.11 : 3,047.24 = 645.18 : x
  2. Step 2: Convert to fraction form
    2,032.11/3,047.24 = 645.18/x
  3. Step 3: Cross multiply
    2,032.11x = 3,047.24 × 645.18
  4. Step 4: Simplify right side
    2,032.11x = 1,966,015.08
  5. Step 5: Solve for x
    x = 1,966,015.08/2,032.11
  6. Step 6: Final answer
    x = 967.47

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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.