Home / 2,543.54-3,816.45-1,505.57

Finding the Fourth Proportional to 2,543.54, 3,816.45 and 1,505.57

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Solution

The fourth proportional to 2,543.54, 3,816.45 and 1,505.57 is: 2,259.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,543.54 : 3,816.45 = 1,505.57 : x
  2. Step 2: Convert to fraction form
    2,543.54/3,816.45 = 1,505.57/x
  3. Step 3: Cross multiply
    2,543.54x = 3,816.45 × 1,505.57
  4. Step 4: Simplify right side
    2,543.54x = 5,745,913.54
  5. Step 5: Solve for x
    x = 5,745,913.54/2,543.54
  6. Step 6: Final answer
    x = 2,259.03

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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.