Home / 2,632.46-3,631.65-1,686.56

Finding the Fourth Proportional to 2,632.46, 3,631.65 and 1,686.56

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Solution

The fourth proportional to 2,632.46, 3,631.65 and 1,686.56 is: 2,326.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,632.46 : 3,631.65 = 1,686.56 : x
  2. Step 2: Convert to fraction form
    2,632.46/3,631.65 = 1,686.56/x
  3. Step 3: Cross multiply
    2,632.46x = 3,631.65 × 1,686.56
  4. Step 4: Simplify right side
    2,632.46x = 6,124,995.62
  5. Step 5: Solve for x
    x = 6,124,995.62/2,632.46
  6. Step 6: Final answer
    x = 2,326.72

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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.