Home / 1,907.68-2,632.85-1,068.43

Finding the Fourth Proportional to 1,907.68, 2,632.85 and 1,068.43

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Solution

The fourth proportional to 1,907.68, 2,632.85 and 1,068.43 is: 1,474.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,907.68 : 2,632.85 = 1,068.43 : x
  2. Step 2: Convert to fraction form
    1,907.68/2,632.85 = 1,068.43/x
  3. Step 3: Cross multiply
    1,907.68x = 2,632.85 × 1,068.43
  4. Step 4: Simplify right side
    1,907.68x = 2,813,015.93
  5. Step 5: Solve for x
    x = 2,813,015.93/1,907.68
  6. Step 6: Final answer
    x = 1,474.57

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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.