Home / 3,707.80-5,116.32-2,215.37

Finding the Fourth Proportional to 3,707.80, 5,116.32 and 2,215.37

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Solution

The fourth proportional to 3,707.80, 5,116.32 and 2,215.37 is: 3,056.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,707.80 : 5,116.32 = 2,215.37 : x
  2. Step 2: Convert to fraction form
    3,707.80/5,116.32 = 2,215.37/x
  3. Step 3: Cross multiply
    3,707.80x = 5,116.32 × 2,215.37
  4. Step 4: Simplify right side
    3,707.80x = 11,334,554.63
  5. Step 5: Solve for x
    x = 11,334,554.63/3,707.80
  6. Step 6: Final answer
    x = 3,056.95

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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.