Home / 2,539.32-3,811.68-1,810.32

Finding the Fourth Proportional to 2,539.32, 3,811.68 and 1,810.32

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Solution

The fourth proportional to 2,539.32, 3,811.68 and 1,810.32 is: 2,717.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,539.32 : 3,811.68 = 1,810.32 : x
  2. Step 2: Convert to fraction form
    2,539.32/3,811.68 = 1,810.32/x
  3. Step 3: Cross multiply
    2,539.32x = 3,811.68 × 1,810.32
  4. Step 4: Simplify right side
    2,539.32x = 6,900,360.54
  5. Step 5: Solve for x
    x = 6,900,360.54/2,539.32
  6. Step 6: Final answer
    x = 2,717.40

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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.