Home / 3,708.12-5,116.50-2,215.74

Finding the Fourth Proportional to 3,708.12, 5,116.50 and 2,215.74

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Solution

The fourth proportional to 3,708.12, 5,116.50 and 2,215.74 is: 3,057.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,708.12 : 5,116.50 = 2,215.74 : x
  2. Step 2: Convert to fraction form
    3,708.12/5,116.50 = 2,215.74/x
  3. Step 3: Cross multiply
    3,708.12x = 5,116.50 × 2,215.74
  4. Step 4: Simplify right side
    3,708.12x = 11,336,833.71
  5. Step 5: Solve for x
    x = 11,336,833.71/3,708.12
  6. Step 6: Final answer
    x = 3,057.30

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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.