Home / 1,927.93-2,660.54-1,043.72

Finding the Fourth Proportional to 1,927.93, 2,660.54 and 1,043.72

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Solution

The fourth proportional to 1,927.93, 2,660.54 and 1,043.72 is: 1,440.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,927.93 : 2,660.54 = 1,043.72 : x
  2. Step 2: Convert to fraction form
    1,927.93/2,660.54 = 1,043.72/x
  3. Step 3: Cross multiply
    1,927.93x = 2,660.54 × 1,043.72
  4. Step 4: Simplify right side
    1,927.93x = 2,776,853.59
  5. Step 5: Solve for x
    x = 2,776,853.59/1,927.93
  6. Step 6: Final answer
    x = 1,440.33

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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.