Home / 1,913.41-2,639.84-1,073.99

Finding the Fourth Proportional to 1,913.41, 2,639.84 and 1,073.99

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Solution

The fourth proportional to 1,913.41, 2,639.84 and 1,073.99 is: 1,481.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,913.41 : 2,639.84 = 1,073.99 : x
  2. Step 2: Convert to fraction form
    1,913.41/2,639.84 = 1,073.99/x
  3. Step 3: Cross multiply
    1,913.41x = 2,639.84 × 1,073.99
  4. Step 4: Simplify right side
    1,913.41x = 2,835,169.03
  5. Step 5: Solve for x
    x = 2,835,169.03/1,913.41
  6. Step 6: Final answer
    x = 1,481.74

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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.