Home / 2,113.47-3,170.79-1,073.43

Finding the Fourth Proportional to 2,113.47, 3,170.79 and 1,073.43

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Solution

The fourth proportional to 2,113.47, 3,170.79 and 1,073.43 is: 1,610.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,113.47 : 3,170.79 = 1,073.43 : x
  2. Step 2: Convert to fraction form
    2,113.47/3,170.79 = 1,073.43/x
  3. Step 3: Cross multiply
    2,113.47x = 3,170.79 × 1,073.43
  4. Step 4: Simplify right side
    2,113.47x = 3,403,621.11
  5. Step 5: Solve for x
    x = 3,403,621.11/2,113.47
  6. Step 6: Final answer
    x = 1,610.44

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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.