Home / 2,320.54-3,206.58-1,689.97

Finding the Fourth Proportional to 2,320.54, 3,206.58 and 1,689.97

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Solution

The fourth proportional to 2,320.54, 3,206.58 and 1,689.97 is: 2,335.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,320.54 : 3,206.58 = 1,689.97 : x
  2. Step 2: Convert to fraction form
    2,320.54/3,206.58 = 1,689.97/x
  3. Step 3: Cross multiply
    2,320.54x = 3,206.58 × 1,689.97
  4. Step 4: Simplify right side
    2,320.54x = 5,419,024.00
  5. Step 5: Solve for x
    x = 5,419,024.00/2,320.54
  6. Step 6: Final answer
    x = 2,335.24

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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.