Home / 3,368.80-4,646.46-2,249.20

Finding the Fourth Proportional to 3,368.80, 4,646.46 and 2,249.20

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Solution

The fourth proportional to 3,368.80, 4,646.46 and 2,249.20 is: 3,102.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,368.80 : 4,646.46 = 2,249.20 : x
  2. Step 2: Convert to fraction form
    3,368.80/4,646.46 = 2,249.20/x
  3. Step 3: Cross multiply
    3,368.80x = 4,646.46 × 2,249.20
  4. Step 4: Simplify right side
    3,368.80x = 10,450,817.83
  5. Step 5: Solve for x
    x = 10,450,817.83/3,368.80
  6. Step 6: Final answer
    x = 3,102.24

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1.5x scale

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.