Home / 2,688.21-4,016.76-2,060.07

Finding the Fourth Proportional to 2,688.21, 4,016.76 and 2,060.07

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Solution

The fourth proportional to 2,688.21, 4,016.76 and 2,060.07 is: 3,078.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,688.21 : 4,016.76 = 2,060.07 : x
  2. Step 2: Convert to fraction form
    2,688.21/4,016.76 = 2,060.07/x
  3. Step 3: Cross multiply
    2,688.21x = 4,016.76 × 2,060.07
  4. Step 4: Simplify right side
    2,688.21x = 8,274,806.77
  5. Step 5: Solve for x
    x = 8,274,806.77/2,688.21
  6. Step 6: Final answer
    x = 3,078.18

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.