Home / 2,149.81-2,966.74-1,266.16

Finding the Fourth Proportional to 2,149.81, 2,966.74 and 1,266.16

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Solution

The fourth proportional to 2,149.81, 2,966.74 and 1,266.16 is: 1,747.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,149.81 : 2,966.74 = 1,266.16 : x
  2. Step 2: Convert to fraction form
    2,149.81/2,966.74 = 1,266.16/x
  3. Step 3: Cross multiply
    2,149.81x = 2,966.74 × 1,266.16
  4. Step 4: Simplify right side
    2,149.81x = 3,756,370.68
  5. Step 5: Solve for x
    x = 3,756,370.68/2,149.81
  6. Step 6: Final answer
    x = 1,747.30

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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.