Home / 2,689.11-3,713.42-2,024.81

Finding the Fourth Proportional to 2,689.11, 3,713.42 and 2,024.81

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Solution

The fourth proportional to 2,689.11, 3,713.42 and 2,024.81 is: 2,796.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,689.11 : 3,713.42 = 2,024.81 : x
  2. Step 2: Convert to fraction form
    2,689.11/3,713.42 = 2,024.81/x
  3. Step 3: Cross multiply
    2,689.11x = 3,713.42 × 2,024.81
  4. Step 4: Simplify right side
    2,689.11x = 7,518,969.95
  5. Step 5: Solve for x
    x = 7,518,969.95/2,689.11
  6. Step 6: Final answer
    x = 2,796.08

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.