Home / 3,177.09-4,731.75-2,988.63

Finding the Fourth Proportional to 3,177.09, 4,731.75 and 2,988.63

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Solution

The fourth proportional to 3,177.09, 4,731.75 and 2,988.63 is: 4,451.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,177.09 : 4,731.75 = 2,988.63 : x
  2. Step 2: Convert to fraction form
    3,177.09/4,731.75 = 2,988.63/x
  3. Step 3: Cross multiply
    3,177.09x = 4,731.75 × 2,988.63
  4. Step 4: Simplify right side
    3,177.09x = 14,141,450.00
  5. Step 5: Solve for x
    x = 14,141,450.00/3,177.09
  6. Step 6: Final answer
    x = 4,451.07

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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.