Home / 2,310.47-3,186.57-1,563.25

Finding the Fourth Proportional to 2,310.47, 3,186.57 and 1,563.25

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Solution

The fourth proportional to 2,310.47, 3,186.57 and 1,563.25 is: 2,156.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,310.47 : 3,186.57 = 1,563.25 : x
  2. Step 2: Convert to fraction form
    2,310.47/3,186.57 = 1,563.25/x
  3. Step 3: Cross multiply
    2,310.47x = 3,186.57 × 1,563.25
  4. Step 4: Simplify right side
    2,310.47x = 4,981,396.23
  5. Step 5: Solve for x
    x = 4,981,396.23/2,310.47
  6. Step 6: Final answer
    x = 2,156.01

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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.