Home / 2,126.74-2,930.78-1,536.16

Finding the Fourth Proportional to 2,126.74, 2,930.78 and 1,536.16

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Solution

The fourth proportional to 2,126.74, 2,930.78 and 1,536.16 is: 2,116.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,126.74 : 2,930.78 = 1,536.16 : x
  2. Step 2: Convert to fraction form
    2,126.74/2,930.78 = 1,536.16/x
  3. Step 3: Cross multiply
    2,126.74x = 2,930.78 × 1,536.16
  4. Step 4: Simplify right side
    2,126.74x = 4,502,147.00
  5. Step 5: Solve for x
    x = 4,502,147.00/2,126.74
  6. Step 6: Final answer
    x = 2,116.92

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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.