Home / 2,976.68-4,107.70-1,650.18

Finding the Fourth Proportional to 2,976.68, 4,107.70 and 1,650.18

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Solution

The fourth proportional to 2,976.68, 4,107.70 and 1,650.18 is: 2,277.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,976.68 : 4,107.70 = 1,650.18 : x
  2. Step 2: Convert to fraction form
    2,976.68/4,107.70 = 1,650.18/x
  3. Step 3: Cross multiply
    2,976.68x = 4,107.70 × 1,650.18
  4. Step 4: Simplify right side
    2,976.68x = 6,778,444.39
  5. Step 5: Solve for x
    x = 6,778,444.39/2,976.68
  6. Step 6: Final answer
    x = 2,277.18

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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.