Home / 3,256.54-4,495.94-2,139.42

Finding the Fourth Proportional to 3,256.54, 4,495.94 and 2,139.42

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Solution

The fourth proportional to 3,256.54, 4,495.94 and 2,139.42 is: 2,953.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,256.54 : 4,495.94 = 2,139.42 : x
  2. Step 2: Convert to fraction form
    3,256.54/4,495.94 = 2,139.42/x
  3. Step 3: Cross multiply
    3,256.54x = 4,495.94 × 2,139.42
  4. Step 4: Simplify right side
    3,256.54x = 9,618,703.95
  5. Step 5: Solve for x
    x = 9,618,703.95/3,256.54
  6. Step 6: Final answer
    x = 2,953.66

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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.