Home / 3,539.51-4,884.65-2,123.43

Finding the Fourth Proportional to 3,539.51, 4,884.65 and 2,123.43

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Solution

The fourth proportional to 3,539.51, 4,884.65 and 2,123.43 is: 2,930.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,539.51 : 4,884.65 = 2,123.43 : x
  2. Step 2: Convert to fraction form
    3,539.51/4,884.65 = 2,123.43/x
  3. Step 3: Cross multiply
    3,539.51x = 4,884.65 × 2,123.43
  4. Step 4: Simplify right side
    3,539.51x = 10,372,177.31
  5. Step 5: Solve for x
    x = 10,372,177.31/3,539.51
  6. Step 6: Final answer
    x = 2,930.40

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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.