Home / 3,605.99-4,976.30-2,113.52

Finding the Fourth Proportional to 3,605.99, 4,976.30 and 2,113.52

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Solution

The fourth proportional to 3,605.99, 4,976.30 and 2,113.52 is: 2,916.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,605.99 : 4,976.30 = 2,113.52 : x
  2. Step 2: Convert to fraction form
    3,605.99/4,976.30 = 2,113.52/x
  3. Step 3: Cross multiply
    3,605.99x = 4,976.30 × 2,113.52
  4. Step 4: Simplify right side
    3,605.99x = 10,517,527.30
  5. Step 5: Solve for x
    x = 10,517,527.30/3,605.99
  6. Step 6: Final answer
    x = 2,916.69

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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.