Home / 4,179.80-6,268.90-2,099.24

Finding the Fourth Proportional to 4,179.80, 6,268.90 and 2,099.24

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Solution

The fourth proportional to 4,179.80, 6,268.90 and 2,099.24 is: 3,148.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,179.80 : 6,268.90 = 2,099.24 : x
  2. Step 2: Convert to fraction form
    4,179.80/6,268.90 = 2,099.24/x
  3. Step 3: Cross multiply
    4,179.80x = 6,268.90 × 2,099.24
  4. Step 4: Simplify right side
    4,179.80x = 13,159,925.64
  5. Step 5: Solve for x
    x = 13,159,925.64/4,179.80
  6. Step 6: Final answer
    x = 3,148.46

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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.