Home / 3,386.64-4,673.24-1,969.86

Finding the Fourth Proportional to 3,386.64, 4,673.24 and 1,969.86

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Solution

The fourth proportional to 3,386.64, 4,673.24 and 1,969.86 is: 2,718.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,386.64 : 4,673.24 = 1,969.86 : x
  2. Step 2: Convert to fraction form
    3,386.64/4,673.24 = 1,969.86/x
  3. Step 3: Cross multiply
    3,386.64x = 4,673.24 × 1,969.86
  4. Step 4: Simplify right side
    3,386.64x = 9,205,628.55
  5. Step 5: Solve for x
    x = 9,205,628.55/3,386.64
  6. Step 6: Final answer
    x = 2,718.22

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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.