Home / 2,909.40-4,361.46-1,176.84

Finding the Fourth Proportional to 2,909.40, 4,361.46 and 1,176.84

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Solution

The fourth proportional to 2,909.40, 4,361.46 and 1,176.84 is: 1,764.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,909.40 : 4,361.46 = 1,176.84 : x
  2. Step 2: Convert to fraction form
    2,909.40/4,361.46 = 1,176.84/x
  3. Step 3: Cross multiply
    2,909.40x = 4,361.46 × 1,176.84
  4. Step 4: Simplify right side
    2,909.40x = 5,132,740.59
  5. Step 5: Solve for x
    x = 5,132,740.59/2,909.40
  6. Step 6: Final answer
    x = 1,764.19

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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.