Home / 3,543.02-5,315.23-1,077.72

Finding the Fourth Proportional to 3,543.02, 5,315.23 and 1,077.72

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Solution

The fourth proportional to 3,543.02, 5,315.23 and 1,077.72 is: 1,616.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,543.02 : 5,315.23 = 1,077.72 : x
  2. Step 2: Convert to fraction form
    3,543.02/5,315.23 = 1,077.72/x
  3. Step 3: Cross multiply
    3,543.02x = 5,315.23 × 1,077.72
  4. Step 4: Simplify right side
    3,543.02x = 5,728,329.68
  5. Step 5: Solve for x
    x = 5,728,329.68/3,543.02
  6. Step 6: Final answer
    x = 1,616.79

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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.