Home / 2,926.81-4,386.84-2,002.20

Finding the Fourth Proportional to 2,926.81, 4,386.84 and 2,002.20

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Solution

The fourth proportional to 2,926.81, 4,386.84 and 2,002.20 is: 3,000.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,926.81 : 4,386.84 = 2,002.20 : x
  2. Step 2: Convert to fraction form
    2,926.81/4,386.84 = 2,002.20/x
  3. Step 3: Cross multiply
    2,926.81x = 4,386.84 × 2,002.20
  4. Step 4: Simplify right side
    2,926.81x = 8,783,331.05
  5. Step 5: Solve for x
    x = 8,783,331.05/2,926.81
  6. Step 6: Final answer
    x = 3,000.99

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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.