Home / 3,705.48-5,113.86-2,308.44

Finding the Fourth Proportional to 3,705.48, 5,113.86 and 2,308.44

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Solution

The fourth proportional to 3,705.48, 5,113.86 and 2,308.44 is: 3,185.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,705.48 : 5,113.86 = 2,308.44 : x
  2. Step 2: Convert to fraction form
    3,705.48/5,113.86 = 2,308.44/x
  3. Step 3: Cross multiply
    3,705.48x = 5,113.86 × 2,308.44
  4. Step 4: Simplify right side
    3,705.48x = 11,805,038.98
  5. Step 5: Solve for x
    x = 11,805,038.98/3,705.48
  6. Step 6: Final answer
    x = 3,185.83

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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.