Home / 3,116.05-4,682.91-2,905.58

Finding the Fourth Proportional to 3,116.05, 4,682.91 and 2,905.58

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Solution

The fourth proportional to 3,116.05, 4,682.91 and 2,905.58 is: 4,366.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,116.05 : 4,682.91 = 2,905.58 : x
  2. Step 2: Convert to fraction form
    3,116.05/4,682.91 = 2,905.58/x
  3. Step 3: Cross multiply
    3,116.05x = 4,682.91 × 2,905.58
  4. Step 4: Simplify right side
    3,116.05x = 13,606,569.64
  5. Step 5: Solve for x
    x = 13,606,569.64/3,116.05
  6. Step 6: Final answer
    x = 4,366.61

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.