Home / 3,605.59-4,976.94-2,113.95

Finding the Fourth Proportional to 3,605.59, 4,976.94 and 2,113.95

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Solution

The fourth proportional to 3,605.59, 4,976.94 and 2,113.95 is: 2,917.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,605.59 : 4,976.94 = 2,113.95 : x
  2. Step 2: Convert to fraction form
    3,605.59/4,976.94 = 2,113.95/x
  3. Step 3: Cross multiply
    3,605.59x = 4,976.94 × 2,113.95
  4. Step 4: Simplify right side
    3,605.59x = 10,521,000.91
  5. Step 5: Solve for x
    x = 10,521,000.91/3,605.59
  6. Step 6: Final answer
    x = 2,917.97

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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.