Home / 3,708.86-5,118.36-2,136.95

Finding the Fourth Proportional to 3,708.86, 5,118.36 and 2,136.95

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Solution

The fourth proportional to 3,708.86, 5,118.36 and 2,136.95 is: 2,949.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,708.86 : 5,118.36 = 2,136.95 : x
  2. Step 2: Convert to fraction form
    3,708.86/5,118.36 = 2,136.95/x
  3. Step 3: Cross multiply
    3,708.86x = 5,118.36 × 2,136.95
  4. Step 4: Simplify right side
    3,708.86x = 10,937,653.81
  5. Step 5: Solve for x
    x = 10,937,653.81/3,708.86
  6. Step 6: Final answer
    x = 2,949.06

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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.