Home / 2,394.87-3,302.94-1,689.06

Finding the Fourth Proportional to 2,394.87, 3,302.94 and 1,689.06

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Solution

The fourth proportional to 2,394.87, 3,302.94 and 1,689.06 is: 2,329.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,394.87 : 3,302.94 = 1,689.06 : x
  2. Step 2: Convert to fraction form
    2,394.87/3,302.94 = 1,689.06/x
  3. Step 3: Cross multiply
    2,394.87x = 3,302.94 × 1,689.06
  4. Step 4: Simplify right side
    2,394.87x = 5,578,863.84
  5. Step 5: Solve for x
    x = 5,578,863.84/2,394.87
  6. Step 6: Final answer
    x = 2,329.51

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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.