Home / 2,271.30-3,402.45-2,000.70

Finding the Fourth Proportional to 2,271.30, 3,402.45 and 2,000.70

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Solution

The fourth proportional to 2,271.30, 3,402.45 and 2,000.70 is: 2,997.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,271.30 : 3,402.45 = 2,000.70 : x
  2. Step 2: Convert to fraction form
    2,271.30/3,402.45 = 2,000.70/x
  3. Step 3: Cross multiply
    2,271.30x = 3,402.45 × 2,000.70
  4. Step 4: Simplify right side
    2,271.30x = 6,807,281.72
  5. Step 5: Solve for x
    x = 6,807,281.72/2,271.30
  6. Step 6: Final answer
    x = 2,997.09

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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.