Home / 2,531.81-3,797.75-1,145.19

Finding the Fourth Proportional to 2,531.81, 3,797.75 and 1,145.19

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Solution

The fourth proportional to 2,531.81, 3,797.75 and 1,145.19 is: 1,717.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,531.81 : 3,797.75 = 1,145.19 : x
  2. Step 2: Convert to fraction form
    2,531.81/3,797.75 = 1,145.19/x
  3. Step 3: Cross multiply
    2,531.81x = 3,797.75 × 1,145.19
  4. Step 4: Simplify right side
    2,531.81x = 4,349,151.75
  5. Step 5: Solve for x
    x = 4,349,151.75/2,531.81
  6. Step 6: Final answer
    x = 1,717.80

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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.