Home / 2,539.76-3,799.60-1,925.20

Finding the Fourth Proportional to 2,539.76, 3,799.60 and 1,925.20

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Solution

The fourth proportional to 2,539.76, 3,799.60 and 1,925.20 is: 2,880.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,539.76 : 3,799.60 = 1,925.20 : x
  2. Step 2: Convert to fraction form
    2,539.76/3,799.60 = 1,925.20/x
  3. Step 3: Cross multiply
    2,539.76x = 3,799.60 × 1,925.20
  4. Step 4: Simplify right side
    2,539.76x = 7,314,989.92
  5. Step 5: Solve for x
    x = 7,314,989.92/2,539.76
  6. Step 6: Final answer
    x = 2,880.19

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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.