Home / 3,707.46-5,112.09-2,774.34

Finding the Fourth Proportional to 3,707.46, 5,112.09 and 2,774.34

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Solution

The fourth proportional to 3,707.46, 5,112.09 and 2,774.34 is: 3,825.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,707.46 : 5,112.09 = 2,774.34 : x
  2. Step 2: Convert to fraction form
    3,707.46/5,112.09 = 2,774.34/x
  3. Step 3: Cross multiply
    3,707.46x = 5,112.09 × 2,774.34
  4. Step 4: Simplify right side
    3,707.46x = 14,182,675.77
  5. Step 5: Solve for x
    x = 14,182,675.77/3,707.46
  6. Step 6: Final answer
    x = 3,825.44

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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.