Home / 2,682.18-3,703.05-2,124.90

Finding the Fourth Proportional to 2,682.18, 3,703.05 and 2,124.90

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Solution

The fourth proportional to 2,682.18, 3,703.05 and 2,124.90 is: 2,933.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,682.18 : 3,703.05 = 2,124.90 : x
  2. Step 2: Convert to fraction form
    2,682.18/3,703.05 = 2,124.90/x
  3. Step 3: Cross multiply
    2,682.18x = 3,703.05 × 2,124.90
  4. Step 4: Simplify right side
    2,682.18x = 7,868,610.95
  5. Step 5: Solve for x
    x = 7,868,610.95/2,682.18
  6. Step 6: Final answer
    x = 2,933.66

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1.5x scale

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.