Home / 3,007.74-4,151.07-1,681.95

Finding the Fourth Proportional to 3,007.74, 4,151.07 and 1,681.95

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Solution

The fourth proportional to 3,007.74, 4,151.07 and 1,681.95 is: 2,321.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,007.74 : 4,151.07 = 1,681.95 : x
  2. Step 2: Convert to fraction form
    3,007.74/4,151.07 = 1,681.95/x
  3. Step 3: Cross multiply
    3,007.74x = 4,151.07 × 1,681.95
  4. Step 4: Simplify right side
    3,007.74x = 6,981,892.19
  5. Step 5: Solve for x
    x = 6,981,892.19/3,007.74
  6. Step 6: Final answer
    x = 2,321.31

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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.