Home / 2,542.17-3,509.66-1,939.93

Finding the Fourth Proportional to 2,542.17, 3,509.66 and 1,939.93

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Solution

The fourth proportional to 2,542.17, 3,509.66 and 1,939.93 is: 2,678.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,542.17 : 3,509.66 = 1,939.93 : x
  2. Step 2: Convert to fraction form
    2,542.17/3,509.66 = 1,939.93/x
  3. Step 3: Cross multiply
    2,542.17x = 3,509.66 × 1,939.93
  4. Step 4: Simplify right side
    2,542.17x = 6,808,494.72
  5. Step 5: Solve for x
    x = 6,808,494.72/2,542.17
  6. Step 6: Final answer
    x = 2,678.22

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.