Home / 2,971.04-4,434.61-2,620.84

Finding the Fourth Proportional to 2,971.04, 4,434.61 and 2,620.84

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Solution

The fourth proportional to 2,971.04, 4,434.61 and 2,620.84 is: 3,911.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,971.04 : 4,434.61 = 2,620.84 : x
  2. Step 2: Convert to fraction form
    2,971.04/4,434.61 = 2,620.84/x
  3. Step 3: Cross multiply
    2,971.04x = 4,434.61 × 2,620.84
  4. Step 4: Simplify right side
    2,971.04x = 11,622,403.27
  5. Step 5: Solve for x
    x = 11,622,403.27/2,971.04
  6. Step 6: Final answer
    x = 3,911.90

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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.