Home / 2,926.28-4,382.93-2,102.09

Finding the Fourth Proportional to 2,926.28, 4,382.93 and 2,102.09

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Solution

The fourth proportional to 2,926.28, 4,382.93 and 2,102.09 is: 3,148.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,926.28 : 4,382.93 = 2,102.09 : x
  2. Step 2: Convert to fraction form
    2,926.28/4,382.93 = 2,102.09/x
  3. Step 3: Cross multiply
    2,926.28x = 4,382.93 × 2,102.09
  4. Step 4: Simplify right side
    2,926.28x = 9,213,296.66
  5. Step 5: Solve for x
    x = 9,213,296.66/2,926.28
  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.