Home / 2,670.29-4,002.38-1,025.99

Finding the Fourth Proportional to 2,670.29, 4,002.38 and 1,025.99

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Solution

The fourth proportional to 2,670.29, 4,002.38 and 1,025.99 is: 1,537.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,670.29 : 4,002.38 = 1,025.99 : x
  2. Step 2: Convert to fraction form
    2,670.29/4,002.38 = 1,025.99/x
  3. Step 3: Cross multiply
    2,670.29x = 4,002.38 × 1,025.99
  4. Step 4: Simplify right side
    2,670.29x = 4,106,396.73
  5. Step 5: Solve for x
    x = 4,106,396.73/2,670.29
  6. Step 6: Final answer
    x = 1,537.81

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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.