Home / 2,215.52-3,323.01-572.18

Finding the Fourth Proportional to 2,215.52, 3,323.01 and 572.18

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Solution

The fourth proportional to 2,215.52, 3,323.01 and 572.18 is: 858.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,215.52 : 3,323.01 = 572.18 : x
  2. Step 2: Convert to fraction form
    2,215.52/3,323.01 = 572.18/x
  3. Step 3: Cross multiply
    2,215.52x = 3,323.01 × 572.18
  4. Step 4: Simplify right side
    2,215.52x = 1,901,360.87
  5. Step 5: Solve for x
    x = 1,901,360.87/2,215.52
  6. Step 6: Final answer
    x = 858.20

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1.5x scale

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.