Home / 2,146.30-2,961.93-1,262.13

Finding the Fourth Proportional to 2,146.30, 2,961.93 and 1,262.13

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Solution

The fourth proportional to 2,146.30, 2,961.93 and 1,262.13 is: 1,741.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,146.30 : 2,961.93 = 1,262.13 : x
  2. Step 2: Convert to fraction form
    2,146.30/2,961.93 = 1,262.13/x
  3. Step 3: Cross multiply
    2,146.30x = 2,961.93 × 1,262.13
  4. Step 4: Simplify right side
    2,146.30x = 3,738,340.71
  5. Step 5: Solve for x
    x = 3,738,340.71/2,146.30
  6. Step 6: Final answer
    x = 1,741.76

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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.