Home / 2,126.62-2,937.36-1,536.22

Finding the Fourth Proportional to 2,126.62, 2,937.36 and 1,536.22

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Solution

The fourth proportional to 2,126.62, 2,937.36 and 1,536.22 is: 2,121.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,126.62 : 2,937.36 = 1,536.22 : x
  2. Step 2: Convert to fraction form
    2,126.62/2,937.36 = 1,536.22/x
  3. Step 3: Cross multiply
    2,126.62x = 2,937.36 × 1,536.22
  4. Step 4: Simplify right side
    2,126.62x = 4,512,431.18
  5. Step 5: Solve for x
    x = 4,512,431.18/2,126.62
  6. Step 6: Final answer
    x = 2,121.88

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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.