Home / 2,539.92-3,810.29-1,153.20

Finding the Fourth Proportional to 2,539.92, 3,810.29 and 1,153.20

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Solution

The fourth proportional to 2,539.92, 3,810.29 and 1,153.20 is: 1,729.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,539.92 : 3,810.29 = 1,153.20 : x
  2. Step 2: Convert to fraction form
    2,539.92/3,810.29 = 1,153.20/x
  3. Step 3: Cross multiply
    2,539.92x = 3,810.29 × 1,153.20
  4. Step 4: Simplify right side
    2,539.92x = 4,394,026.43
  5. Step 5: Solve for x
    x = 4,394,026.43/2,539.92
  6. Step 6: Final answer
    x = 1,729.99

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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.