Home / 2,207.16-3,305.52-1,686.51

Finding the Fourth Proportional to 2,207.16, 3,305.52 and 1,686.51

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Solution

The fourth proportional to 2,207.16, 3,305.52 and 1,686.51 is: 2,525.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,207.16 : 3,305.52 = 1,686.51 : x
  2. Step 2: Convert to fraction form
    2,207.16/3,305.52 = 1,686.51/x
  3. Step 3: Cross multiply
    2,207.16x = 3,305.52 × 1,686.51
  4. Step 4: Simplify right side
    2,207.16x = 5,574,792.54
  5. Step 5: Solve for x
    x = 5,574,792.54/2,207.16
  6. Step 6: Final answer
    x = 2,525.78

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1.5x scale

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.