Home / 3,386.07-4,672.82-1,893.95

Finding the Fourth Proportional to 3,386.07, 4,672.82 and 1,893.95

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Solution

The fourth proportional to 3,386.07, 4,672.82 and 1,893.95 is: 2,613.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,386.07 : 4,672.82 = 1,893.95 : x
  2. Step 2: Convert to fraction form
    3,386.07/4,672.82 = 1,893.95/x
  3. Step 3: Cross multiply
    3,386.07x = 4,672.82 × 1,893.95
  4. Step 4: Simplify right side
    3,386.07x = 8,850,086.33
  5. Step 5: Solve for x
    x = 8,850,086.33/3,386.07
  6. Step 6: Final answer
    x = 2,613.67

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1.5x scale

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.