Home / 3,146.49-4,331.61-2,359.17

Finding the Fourth Proportional to 3,146.49, 4,331.61 and 2,359.17

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Solution

The fourth proportional to 3,146.49, 4,331.61 and 2,359.17 is: 3,247.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,146.49 : 4,331.61 = 2,359.17 : x
  2. Step 2: Convert to fraction form
    3,146.49/4,331.61 = 2,359.17/x
  3. Step 3: Cross multiply
    3,146.49x = 4,331.61 × 2,359.17
  4. Step 4: Simplify right side
    3,146.49x = 10,219,004.36
  5. Step 5: Solve for x
    x = 10,219,004.36/3,146.49
  6. Step 6: Final answer
    x = 3,247.75

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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.