Home / 2,816.62-4,220.37-1,717.65

Finding the Fourth Proportional to 2,816.62, 4,220.37 and 1,717.65

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Solution

The fourth proportional to 2,816.62, 4,220.37 and 1,717.65 is: 2,573.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,816.62 : 4,220.37 = 1,717.65 : x
  2. Step 2: Convert to fraction form
    2,816.62/4,220.37 = 1,717.65/x
  3. Step 3: Cross multiply
    2,816.62x = 4,220.37 × 1,717.65
  4. Step 4: Simplify right side
    2,816.62x = 7,249,118.53
  5. Step 5: Solve for x
    x = 7,249,118.53/2,816.62
  6. Step 6: Final answer
    x = 2,573.70

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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.