Home / 2,146.92-2,962.08-1,262.76

Finding the Fourth Proportional to 2,146.92, 2,962.08 and 1,262.76

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Solution

The fourth proportional to 2,146.92, 2,962.08 and 1,262.76 is: 1,742.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,146.92 : 2,962.08 = 1,262.76 : x
  2. Step 2: Convert to fraction form
    2,146.92/2,962.08 = 1,262.76/x
  3. Step 3: Cross multiply
    2,146.92x = 2,962.08 × 1,262.76
  4. Step 4: Simplify right side
    2,146.92x = 3,740,396.14
  5. Step 5: Solve for x
    x = 3,740,396.14/2,146.92
  6. Step 6: Final answer
    x = 1,742.21

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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.