Home / 2,025.18-2,794.59-1,239.12

Finding the Fourth Proportional to 2,025.18, 2,794.59 and 1,239.12

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Solution

The fourth proportional to 2,025.18, 2,794.59 and 1,239.12 is: 1,709.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,025.18 : 2,794.59 = 1,239.12 : x
  2. Step 2: Convert to fraction form
    2,025.18/2,794.59 = 1,239.12/x
  3. Step 3: Cross multiply
    2,025.18x = 2,794.59 × 1,239.12
  4. Step 4: Simplify right side
    2,025.18x = 3,462,832.36
  5. Step 5: Solve for x
    x = 3,462,832.36/2,025.18
  6. Step 6: Final answer
    x = 1,709.89

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.