Home / 2,926.19-4,390.71-2,685.62

Finding the Fourth Proportional to 2,926.19, 4,390.71 and 2,685.62

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Solution

The fourth proportional to 2,926.19, 4,390.71 and 2,685.62 is: 4,029.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,926.19 : 4,390.71 = 2,685.62 : x
  2. Step 2: Convert to fraction form
    2,926.19/4,390.71 = 2,685.62/x
  3. Step 3: Cross multiply
    2,926.19x = 4,390.71 × 2,685.62
  4. Step 4: Simplify right side
    2,926.19x = 11,791,779.50
  5. Step 5: Solve for x
    x = 11,791,779.50/2,926.19
  6. Step 6: Final answer
    x = 4,029.73

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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.