Home / 2,976.39-4,107.51-1,650.15

Finding the Fourth Proportional to 2,976.39, 4,107.51 and 1,650.15

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Solution

The fourth proportional to 2,976.39, 4,107.51 and 1,650.15 is: 2,277.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,976.39 : 4,107.51 = 1,650.15 : x
  2. Step 2: Convert to fraction form
    2,976.39/4,107.51 = 1,650.15/x
  3. Step 3: Cross multiply
    2,976.39x = 4,107.51 × 1,650.15
  4. Step 4: Simplify right side
    2,976.39x = 6,778,007.63
  5. Step 5: Solve for x
    x = 6,778,007.63/2,976.39
  6. Step 6: Final answer
    x = 2,277.26

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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.