Home / 2,976.49-4,107.33-1,631.88

Finding the Fourth Proportional to 2,976.49, 4,107.33 and 1,631.88

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Solution

The fourth proportional to 2,976.49, 4,107.33 and 1,631.88 is: 2,251.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,976.49 : 4,107.33 = 1,631.88 : x
  2. Step 2: Convert to fraction form
    2,976.49/4,107.33 = 1,631.88/x
  3. Step 3: Cross multiply
    2,976.49x = 4,107.33 × 1,631.88
  4. Step 4: Simplify right side
    2,976.49x = 6,702,681.23
  5. Step 5: Solve for x
    x = 6,702,681.23/2,976.49
  6. Step 6: Final answer
    x = 2,251.88

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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.