Home / 3,095.42-4,640.70-2,118.56

Finding the Fourth Proportional to 3,095.42, 4,640.70 and 2,118.56

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Solution

The fourth proportional to 3,095.42, 4,640.70 and 2,118.56 is: 3,176.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,095.42 : 4,640.70 = 2,118.56 : x
  2. Step 2: Convert to fraction form
    3,095.42/4,640.70 = 2,118.56/x
  3. Step 3: Cross multiply
    3,095.42x = 4,640.70 × 2,118.56
  4. Step 4: Simplify right side
    3,095.42x = 9,831,587.65
  5. Step 5: Solve for x
    x = 9,831,587.65/3,095.42
  6. Step 6: Final answer
    x = 3,176.17

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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.