Home / 3,162.82-4,366.74-2,574.76

Finding the Fourth Proportional to 3,162.82, 4,366.74 and 2,574.76

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Solution

The fourth proportional to 3,162.82, 4,366.74 and 2,574.76 is: 3,554.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,162.82 : 4,366.74 = 2,574.76 : x
  2. Step 2: Convert to fraction form
    3,162.82/4,366.74 = 2,574.76/x
  3. Step 3: Cross multiply
    3,162.82x = 4,366.74 × 2,574.76
  4. Step 4: Simplify right side
    3,162.82x = 11,243,307.48
  5. Step 5: Solve for x
    x = 11,243,307.48/3,162.82
  6. Step 6: Final answer
    x = 3,554.84

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Half scale
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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.