Home / 1,928.28-2,661.01-1,044.10

Finding the Fourth Proportional to 1,928.28, 2,661.01 and 1,044.10

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Solution

The fourth proportional to 1,928.28, 2,661.01 and 1,044.10 is: 1,440.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,928.28 : 2,661.01 = 1,044.10 : x
  2. Step 2: Convert to fraction form
    1,928.28/2,661.01 = 1,044.10/x
  3. Step 3: Cross multiply
    1,928.28x = 2,661.01 × 1,044.10
  4. Step 4: Simplify right side
    1,928.28x = 2,778,351.28
  5. Step 5: Solve for x
    x = 2,778,351.28/1,928.28
  6. Step 6: Final answer
    x = 1,440.84

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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.