Home / 1,907.04-2,631.84-1,110.66

Finding the Fourth Proportional to 1,907.04, 2,631.84 and 1,110.66

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Solution

The fourth proportional to 1,907.04, 2,631.84 and 1,110.66 is: 1,532.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,907.04 : 2,631.84 = 1,110.66 : x
  2. Step 2: Convert to fraction form
    1,907.04/2,631.84 = 1,110.66/x
  3. Step 3: Cross multiply
    1,907.04x = 2,631.84 × 1,110.66
  4. Step 4: Simplify right side
    1,907.04x = 2,923,079.41
  5. Step 5: Solve for x
    x = 2,923,079.41/1,907.04
  6. Step 6: Final answer
    x = 1,532.78

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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.