Home / 2,095.40-3,144.62-1,689.44

Finding the Fourth Proportional to 2,095.40, 3,144.62 and 1,689.44

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Solution

The fourth proportional to 2,095.40, 3,144.62 and 1,689.44 is: 2,535.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,095.40 : 3,144.62 = 1,689.44 : x
  2. Step 2: Convert to fraction form
    2,095.40/3,144.62 = 1,689.44/x
  3. Step 3: Cross multiply
    2,095.40x = 3,144.62 × 1,689.44
  4. Step 4: Simplify right side
    2,095.40x = 5,312,622.64
  5. Step 5: Solve for x
    x = 5,312,622.64/2,095.40
  6. Step 6: Final answer
    x = 2,535.38

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1.5x scale

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.