Home / 1,926.32-2,886.21-1,046.81

Finding the Fourth Proportional to 1,926.32, 2,886.21 and 1,046.81

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Solution

The fourth proportional to 1,926.32, 2,886.21 and 1,046.81 is: 1,568.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,926.32 : 2,886.21 = 1,046.81 : x
  2. Step 2: Convert to fraction form
    1,926.32/2,886.21 = 1,046.81/x
  3. Step 3: Cross multiply
    1,926.32x = 2,886.21 × 1,046.81
  4. Step 4: Simplify right side
    1,926.32x = 3,021,313.49
  5. Step 5: Solve for x
    x = 3,021,313.49/1,926.32
  6. Step 6: Final answer
    x = 1,568.44

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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.