Home / 2,325.08-3,209.46-1,539.38

Finding the Fourth Proportional to 2,325.08, 3,209.46 and 1,539.38

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Solution

The fourth proportional to 2,325.08, 3,209.46 and 1,539.38 is: 2,124.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,325.08 : 3,209.46 = 1,539.38 : x
  2. Step 2: Convert to fraction form
    2,325.08/3,209.46 = 1,539.38/x
  3. Step 3: Cross multiply
    2,325.08x = 3,209.46 × 1,539.38
  4. Step 4: Simplify right side
    2,325.08x = 4,940,580.79
  5. Step 5: Solve for x
    x = 4,940,580.79/2,325.08
  6. Step 6: Final answer
    x = 2,124.91

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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.