Home / 2,923.47-4,033.04-1,680.75

Finding the Fourth Proportional to 2,923.47, 4,033.04 and 1,680.75

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Solution

The fourth proportional to 2,923.47, 4,033.04 and 1,680.75 is: 2,318.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,923.47 : 4,033.04 = 1,680.75 : x
  2. Step 2: Convert to fraction form
    2,923.47/4,033.04 = 1,680.75/x
  3. Step 3: Cross multiply
    2,923.47x = 4,033.04 × 1,680.75
  4. Step 4: Simplify right side
    2,923.47x = 6,778,523.58
  5. Step 5: Solve for x
    x = 6,778,523.58/2,923.47
  6. Step 6: Final answer
    x = 2,318.66

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Half scale
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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.