Home / 2,764.17-4,149.90-2,570.40

Finding the Fourth Proportional to 2,764.17, 4,149.90 and 2,570.40

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Solution

The fourth proportional to 2,764.17, 4,149.90 and 2,570.40 is: 3,858.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,764.17 : 4,149.90 = 2,570.40 : x
  2. Step 2: Convert to fraction form
    2,764.17/4,149.90 = 2,570.40/x
  3. Step 3: Cross multiply
    2,764.17x = 4,149.90 × 2,570.40
  4. Step 4: Simplify right side
    2,764.17x = 10,666,902.96
  5. Step 5: Solve for x
    x = 10,666,902.96/2,764.17
  6. Step 6: Final answer
    x = 3,858.99

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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.