Home / 3,200.72-4,419.56-2,904.26

Finding the Fourth Proportional to 3,200.72, 4,419.56 and 2,904.26

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Solution

The fourth proportional to 3,200.72, 4,419.56 and 2,904.26 is: 4,010.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,200.72 : 4,419.56 = 2,904.26 : x
  2. Step 2: Convert to fraction form
    3,200.72/4,419.56 = 2,904.26/x
  3. Step 3: Cross multiply
    3,200.72x = 4,419.56 × 2,904.26
  4. Step 4: Simplify right side
    3,200.72x = 12,835,536.49
  5. Step 5: Solve for x
    x = 12,835,536.49/3,200.72
  6. Step 6: Final answer
    x = 4,010.21

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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.