Home / 2,572.23-3,857.32-927.88

Finding the Fourth Proportional to 2,572.23, 3,857.32 and 927.88

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Solution

The fourth proportional to 2,572.23, 3,857.32 and 927.88 is: 1,391.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,572.23 : 3,857.32 = 927.88 : x
  2. Step 2: Convert to fraction form
    2,572.23/3,857.32 = 927.88/x
  3. Step 3: Cross multiply
    2,572.23x = 3,857.32 × 927.88
  4. Step 4: Simplify right side
    2,572.23x = 3,579,132.45
  5. Step 5: Solve for x
    x = 3,579,132.45/2,572.23
  6. Step 6: Final answer
    x = 1,391.45

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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.