Home / 2,146.06-2,960.73-1,306.21

Finding the Fourth Proportional to 2,146.06, 2,960.73 and 1,306.21

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Solution

The fourth proportional to 2,146.06, 2,960.73 and 1,306.21 is: 1,802.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,146.06 : 2,960.73 = 1,306.21 : x
  2. Step 2: Convert to fraction form
    2,146.06/2,960.73 = 1,306.21/x
  3. Step 3: Cross multiply
    2,146.06x = 2,960.73 × 1,306.21
  4. Step 4: Simplify right side
    2,146.06x = 3,867,335.13
  5. Step 5: Solve for x
    x = 3,867,335.13/2,146.06
  6. Step 6: Final answer
    x = 1,802.06

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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.