Home / 1,928.64-2,661.54-1,044.45

Finding the Fourth Proportional to 1,928.64, 2,661.54 and 1,044.45

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Solution

The fourth proportional to 1,928.64, 2,661.54 and 1,044.45 is: 1,441.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,928.64 : 2,661.54 = 1,044.45 : x
  2. Step 2: Convert to fraction form
    1,928.64/2,661.54 = 1,044.45/x
  3. Step 3: Cross multiply
    1,928.64x = 2,661.54 × 1,044.45
  4. Step 4: Simplify right side
    1,928.64x = 2,779,841.54
  5. Step 5: Solve for x
    x = 2,779,841.54/1,928.64
  6. Step 6: Final answer
    x = 1,441.35

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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.