Home / 3,007.39-4,150.19-1,681.09

Finding the Fourth Proportional to 3,007.39, 4,150.19 and 1,681.09

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Solution

The fourth proportional to 3,007.39, 4,150.19 and 1,681.09 is: 2,319.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,007.39 : 4,150.19 = 1,681.09 : x
  2. Step 2: Convert to fraction form
    3,007.39/4,150.19 = 1,681.09/x
  3. Step 3: Cross multiply
    3,007.39x = 4,150.19 × 1,681.09
  4. Step 4: Simplify right side
    3,007.39x = 6,976,842.91
  5. Step 5: Solve for x
    x = 6,976,842.91/3,007.39
  6. Step 6: Final answer
    x = 2,319.90

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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.