Home / 1,904.94-2,628.92-1,158.78

Finding the Fourth Proportional to 1,904.94, 2,628.92 and 1,158.78

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Solution

The fourth proportional to 1,904.94, 2,628.92 and 1,158.78 is: 1,599.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,904.94 : 2,628.92 = 1,158.78 : x
  2. Step 2: Convert to fraction form
    1,904.94/2,628.92 = 1,158.78/x
  3. Step 3: Cross multiply
    1,904.94x = 2,628.92 × 1,158.78
  4. Step 4: Simplify right side
    1,904.94x = 3,046,339.92
  5. Step 5: Solve for x
    x = 3,046,339.92/1,904.94
  6. Step 6: Final answer
    x = 1,599.18

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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.