Home / 2,162.07-2,980.92-1,414.85

Finding the Fourth Proportional to 2,162.07, 2,980.92 and 1,414.85

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Solution

The fourth proportional to 2,162.07, 2,980.92 and 1,414.85 is: 1,950.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,162.07 : 2,980.92 = 1,414.85 : x
  2. Step 2: Convert to fraction form
    2,162.07/2,980.92 = 1,414.85/x
  3. Step 3: Cross multiply
    2,162.07x = 2,980.92 × 1,414.85
  4. Step 4: Simplify right side
    2,162.07x = 4,217,539.76
  5. Step 5: Solve for x
    x = 4,217,539.76/2,162.07
  6. Step 6: Final answer
    x = 1,950.70

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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.