Home / 1,907.62-2,632.46-1,068.30

Finding the Fourth Proportional to 1,907.62, 2,632.46 and 1,068.30

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Solution

The fourth proportional to 1,907.62, 2,632.46 and 1,068.30 is: 1,474.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,907.62 : 2,632.46 = 1,068.30 : x
  2. Step 2: Convert to fraction form
    1,907.62/2,632.46 = 1,068.30/x
  3. Step 3: Cross multiply
    1,907.62x = 2,632.46 × 1,068.30
  4. Step 4: Simplify right side
    1,907.62x = 2,812,251.68
  5. Step 5: Solve for x
    x = 2,812,251.68/1,907.62
  6. Step 6: Final answer
    x = 1,474.22

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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.