Home / 1,352.16-2,025-1,206.36

Finding the Fourth Proportional to 1,352.16, 2,025 and 1,206.36

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Solution

The fourth proportional to 1,352.16, 2,025 and 1,206.36 is: 1,806.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,352.16 : 2,025 = 1,206.36 : x
  2. Step 2: Convert to fraction form
    1,352.16/2,025 = 1,206.36/x
  3. Step 3: Cross multiply
    1,352.16x = 2,025 × 1,206.36
  4. Step 4: Simplify right side
    1,352.16x = 2,442,879
  5. Step 5: Solve for x
    x = 2,442,879/1,352.16
  6. Step 6: Final answer
    x = 1,806.65

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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.