Home / 1,931.67-2,896.29-632.84

Finding the Fourth Proportional to 1,931.67, 2,896.29 and 632.84

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Solution

The fourth proportional to 1,931.67, 2,896.29 and 632.84 is: 948.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,931.67 : 2,896.29 = 632.84 : x
  2. Step 2: Convert to fraction form
    1,931.67/2,896.29 = 632.84/x
  3. Step 3: Cross multiply
    1,931.67x = 2,896.29 × 632.84
  4. Step 4: Simplify right side
    1,931.67x = 1,832,873.68
  5. Step 5: Solve for x
    x = 1,832,873.68/1,931.67
  6. Step 6: Final answer
    x = 948.85

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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.