Home / 2,599.77-3,900.66-1,139.13

Finding the Fourth Proportional to 2,599.77, 3,900.66 and 1,139.13

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Solution

The fourth proportional to 2,599.77, 3,900.66 and 1,139.13 is: 1,709.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,599.77 : 3,900.66 = 1,139.13 : x
  2. Step 2: Convert to fraction form
    2,599.77/3,900.66 = 1,139.13/x
  3. Step 3: Cross multiply
    2,599.77x = 3,900.66 × 1,139.13
  4. Step 4: Simplify right side
    2,599.77x = 4,443,358.83
  5. Step 5: Solve for x
    x = 4,443,358.83/2,599.77
  6. Step 6: Final answer
    x = 1,709.14

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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.