Home / 2,381.81-3,567.38-1,764.05

Finding the Fourth Proportional to 2,381.81, 3,567.38 and 1,764.05

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Solution

The fourth proportional to 2,381.81, 3,567.38 and 1,764.05 is: 2,642.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,381.81 : 3,567.38 = 1,764.05 : x
  2. Step 2: Convert to fraction form
    2,381.81/3,567.38 = 1,764.05/x
  3. Step 3: Cross multiply
    2,381.81x = 3,567.38 × 1,764.05
  4. Step 4: Simplify right side
    2,381.81x = 6,293,010.03
  5. Step 5: Solve for x
    x = 6,293,010.03/2,381.81
  6. Step 6: Final answer
    x = 2,642.12

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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.