Home / 3,824.48-5,278.06-2,123.08

Finding the Fourth Proportional to 3,824.48, 5,278.06 and 2,123.08

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Solution

The fourth proportional to 3,824.48, 5,278.06 and 2,123.08 is: 2,930.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,824.48 : 5,278.06 = 2,123.08 : x
  2. Step 2: Convert to fraction form
    3,824.48/5,278.06 = 2,123.08/x
  3. Step 3: Cross multiply
    3,824.48x = 5,278.06 × 2,123.08
  4. Step 4: Simplify right side
    3,824.48x = 11,205,725.12
  5. Step 5: Solve for x
    x = 11,205,725.12/3,824.48
  6. Step 6: Final answer
    x = 2,930.00

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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.