Home / 2,935.28-4,401.88-2,111.08

Finding the Fourth Proportional to 2,935.28, 4,401.88 and 2,111.08

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Solution

The fourth proportional to 2,935.28, 4,401.88 and 2,111.08 is: 3,165.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,935.28 : 4,401.88 = 2,111.08 : x
  2. Step 2: Convert to fraction form
    2,935.28/4,401.88 = 2,111.08/x
  3. Step 3: Cross multiply
    2,935.28x = 4,401.88 × 2,111.08
  4. Step 4: Simplify right side
    2,935.28x = 9,292,720.83
  5. Step 5: Solve for x
    x = 9,292,720.83/2,935.28
  6. Step 6: Final answer
    x = 3,165.87

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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.