Home / 1,632.11-2,252.29-886.07

Finding the Fourth Proportional to 1,632.11, 2,252.29 and 886.07

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Solution

The fourth proportional to 1,632.11, 2,252.29 and 886.07 is: 1,222.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,632.11 : 2,252.29 = 886.07 : x
  2. Step 2: Convert to fraction form
    1,632.11/2,252.29 = 886.07/x
  3. Step 3: Cross multiply
    1,632.11x = 2,252.29 × 886.07
  4. Step 4: Simplify right side
    1,632.11x = 1,995,686.60
  5. Step 5: Solve for x
    x = 1,995,686.60/1,632.11
  6. Step 6: Final answer
    x = 1,222.76

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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.