Home / 4,179.25-6,268.80-1,681.08

Finding the Fourth Proportional to 4,179.25, 6,268.80 and 1,681.08

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Solution

The fourth proportional to 4,179.25, 6,268.80 and 1,681.08 is: 2,521.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,179.25 : 6,268.80 = 1,681.08 : x
  2. Step 2: Convert to fraction form
    4,179.25/6,268.80 = 1,681.08/x
  3. Step 3: Cross multiply
    4,179.25x = 6,268.80 × 1,681.08
  4. Step 4: Simplify right side
    4,179.25x = 10,538,354.30
  5. Step 5: Solve for x
    x = 10,538,354.30/4,179.25
  6. Step 6: Final answer
    x = 2,521.59

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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.