Home / 2,215.49-3,323.21-572.01

Finding the Fourth Proportional to 2,215.49, 3,323.21 and 572.01

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Solution

The fourth proportional to 2,215.49, 3,323.21 and 572.01 is: 858.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,215.49 : 3,323.21 = 572.01 : x
  2. Step 2: Convert to fraction form
    2,215.49/3,323.21 = 572.01/x
  3. Step 3: Cross multiply
    2,215.49x = 3,323.21 × 572.01
  4. Step 4: Simplify right side
    2,215.49x = 1,900,906.49
  5. Step 5: Solve for x
    x = 1,900,906.49/2,215.49
  6. Step 6: Final answer
    x = 858.01

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.