Home / 3,001.24-4,141.02-2,115.64

Finding the Fourth Proportional to 3,001.24, 4,141.02 and 2,115.64

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Solution

The fourth proportional to 3,001.24, 4,141.02 and 2,115.64 is: 2,919.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,001.24 : 4,141.02 = 2,115.64 : x
  2. Step 2: Convert to fraction form
    3,001.24/4,141.02 = 2,115.64/x
  3. Step 3: Cross multiply
    3,001.24x = 4,141.02 × 2,115.64
  4. Step 4: Simplify right side
    3,001.24x = 8,760,907.55
  5. Step 5: Solve for x
    x = 8,760,907.55/3,001.24
  6. Step 6: Final answer
    x = 2,919.10

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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.