Home / 3,942.23-5,440.37-2,264.51

Finding the Fourth Proportional to 3,942.23, 5,440.37 and 2,264.51

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Solution

The fourth proportional to 3,942.23, 5,440.37 and 2,264.51 is: 3,125.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,942.23 : 5,440.37 = 2,264.51 : x
  2. Step 2: Convert to fraction form
    3,942.23/5,440.37 = 2,264.51/x
  3. Step 3: Cross multiply
    3,942.23x = 5,440.37 × 2,264.51
  4. Step 4: Simplify right side
    3,942.23x = 12,319,774.55
  5. Step 5: Solve for x
    x = 12,319,774.55/3,942.23
  6. Step 6: Final answer
    x = 3,125.08

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.