Home / 2,587.94-3,882.22-945.26

Finding the Fourth Proportional to 2,587.94, 3,882.22 and 945.26

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Solution

The fourth proportional to 2,587.94, 3,882.22 and 945.26 is: 1,418.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,587.94 : 3,882.22 = 945.26 : x
  2. Step 2: Convert to fraction form
    2,587.94/3,882.22 = 945.26/x
  3. Step 3: Cross multiply
    2,587.94x = 3,882.22 × 945.26
  4. Step 4: Simplify right side
    2,587.94x = 3,669,707.28
  5. Step 5: Solve for x
    x = 3,669,707.28/2,587.94
  6. Step 6: Final answer
    x = 1,418.00

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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.