Home / 2,543.03-3,813.29-1,061.81

Finding the Fourth Proportional to 2,543.03, 3,813.29 and 1,061.81

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Solution

The fourth proportional to 2,543.03, 3,813.29 and 1,061.81 is: 1,592.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,543.03 : 3,813.29 = 1,061.81 : x
  2. Step 2: Convert to fraction form
    2,543.03/3,813.29 = 1,061.81/x
  3. Step 3: Cross multiply
    2,543.03x = 3,813.29 × 1,061.81
  4. Step 4: Simplify right side
    2,543.03x = 4,048,989.45
  5. Step 5: Solve for x
    x = 4,048,989.45/2,543.03
  6. Step 6: Final answer
    x = 1,592.19

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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.