Home / 3,630.90-5,010.32-2,215.01

Finding the Fourth Proportional to 3,630.90, 5,010.32 and 2,215.01

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Solution

The fourth proportional to 3,630.90, 5,010.32 and 2,215.01 is: 3,056.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,630.90 : 5,010.32 = 2,215.01 : x
  2. Step 2: Convert to fraction form
    3,630.90/5,010.32 = 2,215.01/x
  3. Step 3: Cross multiply
    3,630.90x = 5,010.32 × 2,215.01
  4. Step 4: Simplify right side
    3,630.90x = 11,097,926.97
  5. Step 5: Solve for x
    x = 11,097,926.97/3,630.90
  6. Step 6: Final answer
    x = 3,056.52

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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.