Home / 1,928.62-2,891.10-1,751.84

Finding the Fourth Proportional to 1,928.62, 2,891.10 and 1,751.84

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Solution

The fourth proportional to 1,928.62, 2,891.10 and 1,751.84 is: 2,626.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,928.62 : 2,891.10 = 1,751.84 : x
  2. Step 2: Convert to fraction form
    1,928.62/2,891.10 = 1,751.84/x
  3. Step 3: Cross multiply
    1,928.62x = 2,891.10 × 1,751.84
  4. Step 4: Simplify right side
    1,928.62x = 5,064,730.17
  5. Step 5: Solve for x
    x = 5,064,730.17/1,928.62
  6. Step 6: Final answer
    x = 2,626.10

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.