Home / 3,539.78-4,876.45-2,475.56

Finding the Fourth Proportional to 3,539.78, 4,876.45 and 2,475.56

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Solution

The fourth proportional to 3,539.78, 4,876.45 and 2,475.56 is: 3,410.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,539.78 : 4,876.45 = 2,475.56 : x
  2. Step 2: Convert to fraction form
    3,539.78/4,876.45 = 2,475.56/x
  3. Step 3: Cross multiply
    3,539.78x = 4,876.45 × 2,475.56
  4. Step 4: Simplify right side
    3,539.78x = 12,071,944.56
  5. Step 5: Solve for x
    x = 12,071,944.56/3,539.78
  6. Step 6: Final answer
    x = 3,410.37

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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.