Home / 3,630.36-5,011.45-3,073.74

Finding the Fourth Proportional to 3,630.36, 5,011.45 and 3,073.74

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Solution

The fourth proportional to 3,630.36, 5,011.45 and 3,073.74 is: 4,243.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,630.36 : 5,011.45 = 3,073.74 : x
  2. Step 2: Convert to fraction form
    3,630.36/5,011.45 = 3,073.74/x
  3. Step 3: Cross multiply
    3,630.36x = 5,011.45 × 3,073.74
  4. Step 4: Simplify right side
    3,630.36x = 15,403,914.54
  5. Step 5: Solve for x
    x = 15,403,914.54/3,630.36
  6. Step 6: Final answer
    x = 4,243.08

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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.