Home / 2,160.82-3,240.36-927.58

Finding the Fourth Proportional to 2,160.82, 3,240.36 and 927.58

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Solution

The fourth proportional to 2,160.82, 3,240.36 and 927.58 is: 1,391.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,160.82 : 3,240.36 = 927.58 : x
  2. Step 2: Convert to fraction form
    2,160.82/3,240.36 = 927.58/x
  3. Step 3: Cross multiply
    2,160.82x = 3,240.36 × 927.58
  4. Step 4: Simplify right side
    2,160.82x = 3,005,693.13
  5. Step 5: Solve for x
    x = 3,005,693.13/2,160.82
  6. Step 6: Final answer
    x = 1,391.00

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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.