Home / 2,632.14-3,948.24-684.36

Finding the Fourth Proportional to 2,632.14, 3,948.24 and 684.36

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Solution

The fourth proportional to 2,632.14, 3,948.24 and 684.36 is: 1,026.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,632.14 : 3,948.24 = 684.36 : x
  2. Step 2: Convert to fraction form
    2,632.14/3,948.24 = 684.36/x
  3. Step 3: Cross multiply
    2,632.14x = 3,948.24 × 684.36
  4. Step 4: Simplify right side
    2,632.14x = 2,702,017.53
  5. Step 5: Solve for x
    x = 2,702,017.53/2,632.14
  6. Step 6: Final answer
    x = 1,026.55

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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.