Home / 2,971.89-4,458.51-2,047.82

Finding the Fourth Proportional to 2,971.89, 4,458.51 and 2,047.82

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Solution

The fourth proportional to 2,971.89, 4,458.51 and 2,047.82 is: 3,072.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,971.89 : 4,458.51 = 2,047.82 : x
  2. Step 2: Convert to fraction form
    2,971.89/4,458.51 = 2,047.82/x
  3. Step 3: Cross multiply
    2,971.89x = 4,458.51 × 2,047.82
  4. Step 4: Simplify right side
    2,971.89x = 9,130,203.66
  5. Step 5: Solve for x
    x = 9,130,203.66/2,971.89
  6. Step 6: Final answer
    x = 3,072.19

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.