Home / 1,928.66-2,661.56-1,044.48

Finding the Fourth Proportional to 1,928.66, 2,661.56 and 1,044.48

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Solution

The fourth proportional to 1,928.66, 2,661.56 and 1,044.48 is: 1,441.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,928.66 : 2,661.56 = 1,044.48 : x
  2. Step 2: Convert to fraction form
    1,928.66/2,661.56 = 1,044.48/x
  3. Step 3: Cross multiply
    1,928.66x = 2,661.56 × 1,044.48
  4. Step 4: Simplify right side
    1,928.66x = 2,779,946.19
  5. Step 5: Solve for x
    x = 2,779,946.19/1,928.66
  6. Step 6: Final answer
    x = 1,441.39

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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.