Home / 2,599.12-3,899-1,059.92

Finding the Fourth Proportional to 2,599.12, 3,899 and 1,059.92

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Solution

The fourth proportional to 2,599.12, 3,899 and 1,059.92 is: 1,590.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,599.12 : 3,899 = 1,059.92 : x
  2. Step 2: Convert to fraction form
    2,599.12/3,899 = 1,059.92/x
  3. Step 3: Cross multiply
    2,599.12x = 3,899 × 1,059.92
  4. Step 4: Simplify right side
    2,599.12x = 4,132,628.08
  5. Step 5: Solve for x
    x = 4,132,628.08/2,599.12
  6. Step 6: Final answer
    x = 1,590.01

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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.