Home / 3,824.09-5,276.01-2,145.18

Finding the Fourth Proportional to 3,824.09, 5,276.01 and 2,145.18

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Solution

The fourth proportional to 3,824.09, 5,276.01 and 2,145.18 is: 2,959.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,824.09 : 5,276.01 = 2,145.18 : x
  2. Step 2: Convert to fraction form
    3,824.09/5,276.01 = 2,145.18/x
  3. Step 3: Cross multiply
    3,824.09x = 5,276.01 × 2,145.18
  4. Step 4: Simplify right side
    3,824.09x = 11,318,001.19
  5. Step 5: Solve for x
    x = 11,318,001.19/3,824.09
  6. Step 6: Final answer
    x = 2,959.66

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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.