Home / 3,008.07-4,150.41-1,681.50

Finding the Fourth Proportional to 3,008.07, 4,150.41 and 1,681.50

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Solution

The fourth proportional to 3,008.07, 4,150.41 and 1,681.50 is: 2,320.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,008.07 : 4,150.41 = 1,681.50 : x
  2. Step 2: Convert to fraction form
    3,008.07/4,150.41 = 1,681.50/x
  3. Step 3: Cross multiply
    3,008.07x = 4,150.41 × 1,681.50
  4. Step 4: Simplify right side
    3,008.07x = 6,978,914.42
  5. Step 5: Solve for x
    x = 6,978,914.42/3,008.07
  6. Step 6: Final answer
    x = 2,320.06

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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.