Home / 3,317.66-4,973.54-2,148.56

Finding the Fourth Proportional to 3,317.66, 4,973.54 and 2,148.56

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Solution

The fourth proportional to 3,317.66, 4,973.54 and 2,148.56 is: 3,220.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,317.66 : 4,973.54 = 2,148.56 : x
  2. Step 2: Convert to fraction form
    3,317.66/4,973.54 = 2,148.56/x
  3. Step 3: Cross multiply
    3,317.66x = 4,973.54 × 2,148.56
  4. Step 4: Simplify right side
    3,317.66x = 10,685,913.49
  5. Step 5: Solve for x
    x = 10,685,913.49/3,317.66
  6. Step 6: Final answer
    x = 3,220.92

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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.