Home / 2,971.18-4,104.57-2,345.86

Finding the Fourth Proportional to 2,971.18, 4,104.57 and 2,345.86

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Solution

The fourth proportional to 2,971.18, 4,104.57 and 2,345.86 is: 3,240.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,971.18 : 4,104.57 = 2,345.86 : x
  2. Step 2: Convert to fraction form
    2,971.18/4,104.57 = 2,345.86/x
  3. Step 3: Cross multiply
    2,971.18x = 4,104.57 × 2,345.86
  4. Step 4: Simplify right side
    2,971.18x = 9,628,746.58
  5. Step 5: Solve for x
    x = 9,628,746.58/2,971.18
  6. Step 6: Final answer
    x = 3,240.71

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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.