Home / 4,139.32-5,712.54-2,276.44

Finding the Fourth Proportional to 4,139.32, 5,712.54 and 2,276.44

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Solution

The fourth proportional to 4,139.32, 5,712.54 and 2,276.44 is: 3,141.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,139.32 : 5,712.54 = 2,276.44 : x
  2. Step 2: Convert to fraction form
    4,139.32/5,712.54 = 2,276.44/x
  3. Step 3: Cross multiply
    4,139.32x = 5,712.54 × 2,276.44
  4. Step 4: Simplify right side
    4,139.32x = 13,004,254.56
  5. Step 5: Solve for x
    x = 13,004,254.56/4,139.32
  6. Step 6: Final answer
    x = 3,141.64

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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.