Home / 3,007.61-4,150.49-1,681.32

Finding the Fourth Proportional to 3,007.61, 4,150.49 and 1,681.32

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Solution

The fourth proportional to 3,007.61, 4,150.49 and 1,681.32 is: 2,320.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,007.61 : 4,150.49 = 1,681.32 : x
  2. Step 2: Convert to fraction form
    3,007.61/4,150.49 = 1,681.32/x
  3. Step 3: Cross multiply
    3,007.61x = 4,150.49 × 1,681.32
  4. Step 4: Simplify right side
    3,007.61x = 6,978,281.09
  5. Step 5: Solve for x
    x = 6,978,281.09/3,007.61
  6. Step 6: Final answer
    x = 2,320.21

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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.