Home / 2,542.86-3,507.99-1,658.70

Finding the Fourth Proportional to 2,542.86, 3,507.99 and 1,658.70

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Solution

The fourth proportional to 2,542.86, 3,507.99 and 1,658.70 is: 2,288.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,542.86 : 3,507.99 = 1,658.70 : x
  2. Step 2: Convert to fraction form
    2,542.86/3,507.99 = 1,658.70/x
  3. Step 3: Cross multiply
    2,542.86x = 3,507.99 × 1,658.70
  4. Step 4: Simplify right side
    2,542.86x = 5,818,703.01
  5. Step 5: Solve for x
    x = 5,818,703.01/2,542.86
  6. Step 6: Final answer
    x = 2,288.25

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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.