Home / 3,449.36-4,759.08-3,116.72

Finding the Fourth Proportional to 3,449.36, 4,759.08 and 3,116.72

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Solution

The fourth proportional to 3,449.36, 4,759.08 and 3,116.72 is: 4,300.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,449.36 : 4,759.08 = 3,116.72 : x
  2. Step 2: Convert to fraction form
    3,449.36/4,759.08 = 3,116.72/x
  3. Step 3: Cross multiply
    3,449.36x = 4,759.08 × 3,116.72
  4. Step 4: Simplify right side
    3,449.36x = 14,832,719.82
  5. Step 5: Solve for x
    x = 14,832,719.82/3,449.36
  6. Step 6: Final answer
    x = 4,300.14

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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.