Home / 2,909.67-4,361.37-1,923.18

Finding the Fourth Proportional to 2,909.67, 4,361.37 and 1,923.18

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Solution

The fourth proportional to 2,909.67, 4,361.37 and 1,923.18 is: 2,882.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,909.67 : 4,361.37 = 1,923.18 : x
  2. Step 2: Convert to fraction form
    2,909.67/4,361.37 = 1,923.18/x
  3. Step 3: Cross multiply
    2,909.67x = 4,361.37 × 1,923.18
  4. Step 4: Simplify right side
    2,909.67x = 8,387,699.56
  5. Step 5: Solve for x
    x = 8,387,699.56/2,909.67
  6. Step 6: Final answer
    x = 2,882.70

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1.5x scale

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.