Home / 3,142.32-4,332.87-2,246.46

Finding the Fourth Proportional to 3,142.32, 4,332.87 and 2,246.46

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Solution

The fourth proportional to 3,142.32, 4,332.87 and 2,246.46 is: 3,097.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,142.32 : 4,332.87 = 2,246.46 : x
  2. Step 2: Convert to fraction form
    3,142.32/4,332.87 = 2,246.46/x
  3. Step 3: Cross multiply
    3,142.32x = 4,332.87 × 2,246.46
  4. Step 4: Simplify right side
    3,142.32x = 9,733,619.14
  5. Step 5: Solve for x
    x = 9,733,619.14/3,142.32
  6. Step 6: Final answer
    x = 3,097.59

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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.