Home / 3,705.26-5,113.37-2,288.90

Finding the Fourth Proportional to 3,705.26, 5,113.37 and 2,288.90

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Solution

The fourth proportional to 3,705.26, 5,113.37 and 2,288.90 is: 3,158.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,705.26 : 5,113.37 = 2,288.90 : x
  2. Step 2: Convert to fraction form
    3,705.26/5,113.37 = 2,288.90/x
  3. Step 3: Cross multiply
    3,705.26x = 5,113.37 × 2,288.90
  4. Step 4: Simplify right side
    3,705.26x = 11,703,955.58
  5. Step 5: Solve for x
    x = 11,703,955.58/3,705.26
  6. Step 6: Final answer
    x = 3,158.74

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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.