Home / 2,539.56-3,809.58-1,153.56

Finding the Fourth Proportional to 2,539.56, 3,809.58 and 1,153.56

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Solution

The fourth proportional to 2,539.56, 3,809.58 and 1,153.56 is: 1,730.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,539.56 : 3,809.58 = 1,153.56 : x
  2. Step 2: Convert to fraction form
    2,539.56/3,809.58 = 1,153.56/x
  3. Step 3: Cross multiply
    2,539.56x = 3,809.58 × 1,153.56
  4. Step 4: Simplify right side
    2,539.56x = 4,394,579.10
  5. Step 5: Solve for x
    x = 4,394,579.10/2,539.56
  6. Step 6: Final answer
    x = 1,730.45

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.