Home / 1,927.84-2,660.40-1,043.62

Finding the Fourth Proportional to 1,927.84, 2,660.40 and 1,043.62

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Solution

The fourth proportional to 1,927.84, 2,660.40 and 1,043.62 is: 1,440.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,927.84 : 2,660.40 = 1,043.62 : x
  2. Step 2: Convert to fraction form
    1,927.84/2,660.40 = 1,043.62/x
  3. Step 3: Cross multiply
    1,927.84x = 2,660.40 × 1,043.62
  4. Step 4: Simplify right side
    1,927.84x = 2,776,446.65
  5. Step 5: Solve for x
    x = 2,776,446.65/1,927.84
  6. Step 6: Final answer
    x = 1,440.19

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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.