Home / 1,927.64-2,660.14-1,043.44

Finding the Fourth Proportional to 1,927.64, 2,660.14 and 1,043.44

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Solution

The fourth proportional to 1,927.64, 2,660.14 and 1,043.44 is: 1,439.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,927.64 : 2,660.14 = 1,043.44 : x
  2. Step 2: Convert to fraction form
    1,927.64/2,660.14 = 1,043.44/x
  3. Step 3: Cross multiply
    1,927.64x = 2,660.14 × 1,043.44
  4. Step 4: Simplify right side
    1,927.64x = 2,775,696.48
  5. Step 5: Solve for x
    x = 2,775,696.48/1,927.64
  6. Step 6: Final answer
    x = 1,439.95

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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.