Home / 2,262.02-3,121.65-1,267.43

Finding the Fourth Proportional to 2,262.02, 3,121.65 and 1,267.43

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Solution

The fourth proportional to 2,262.02, 3,121.65 and 1,267.43 is: 1,749.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,262.02 : 3,121.65 = 1,267.43 : x
  2. Step 2: Convert to fraction form
    2,262.02/3,121.65 = 1,267.43/x
  3. Step 3: Cross multiply
    2,262.02x = 3,121.65 × 1,267.43
  4. Step 4: Simplify right side
    2,262.02x = 3,956,457.25
  5. Step 5: Solve for x
    x = 3,956,457.25/2,262.02
  6. Step 6: Final answer
    x = 1,749.09

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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.