Home / 3,386.56-4,672.69-1,894.34

Finding the Fourth Proportional to 3,386.56, 4,672.69 and 1,894.34

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Solution

The fourth proportional to 3,386.56, 4,672.69 and 1,894.34 is: 2,613.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,386.56 : 4,672.69 = 1,894.34 : x
  2. Step 2: Convert to fraction form
    3,386.56/4,672.69 = 1,894.34/x
  3. Step 3: Cross multiply
    3,386.56x = 4,672.69 × 1,894.34
  4. Step 4: Simplify right side
    3,386.56x = 8,851,644.24
  5. Step 5: Solve for x
    x = 8,851,644.24/3,386.56
  6. Step 6: Final answer
    x = 2,613.76

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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.