Home / 3,240.02-4,473.09-2,179.33

Finding the Fourth Proportional to 3,240.02, 4,473.09 and 2,179.33

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Solution

The fourth proportional to 3,240.02, 4,473.09 and 2,179.33 is: 3,008.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,240.02 : 4,473.09 = 2,179.33 : x
  2. Step 2: Convert to fraction form
    3,240.02/4,473.09 = 2,179.33/x
  3. Step 3: Cross multiply
    3,240.02x = 4,473.09 × 2,179.33
  4. Step 4: Simplify right side
    3,240.02x = 9,748,328.05
  5. Step 5: Solve for x
    x = 9,748,328.05/3,240.02
  6. Step 6: Final answer
    x = 3,008.72

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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.