Home / 3,007.68-4,150.26-1,681.44

Finding the Fourth Proportional to 3,007.68, 4,150.26 and 1,681.44

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Solution

The fourth proportional to 3,007.68, 4,150.26 and 1,681.44 is: 2,320.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,007.68 : 4,150.26 = 1,681.44 : x
  2. Step 2: Convert to fraction form
    3,007.68/4,150.26 = 1,681.44/x
  3. Step 3: Cross multiply
    3,007.68x = 4,150.26 × 1,681.44
  4. Step 4: Simplify right side
    3,007.68x = 6,978,413.17
  5. Step 5: Solve for x
    x = 6,978,413.17/3,007.68
  6. Step 6: Final answer
    x = 2,320.20

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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.