Home / 2,767.30-3,818.21-1,572.02

Finding the Fourth Proportional to 2,767.30, 3,818.21 and 1,572.02

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Solution

The fourth proportional to 2,767.30, 3,818.21 and 1,572.02 is: 2,169.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,767.30 : 3,818.21 = 1,572.02 : x
  2. Step 2: Convert to fraction form
    2,767.30/3,818.21 = 1,572.02/x
  3. Step 3: Cross multiply
    2,767.30x = 3,818.21 × 1,572.02
  4. Step 4: Simplify right side
    2,767.30x = 6,002,294.62
  5. Step 5: Solve for x
    x = 6,002,294.62/2,767.30
  6. Step 6: Final answer
    x = 2,169.01

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.