Home / 3,079.26-4,248.99-2,135.34

Finding the Fourth Proportional to 3,079.26, 4,248.99 and 2,135.34

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Solution

The fourth proportional to 3,079.26, 4,248.99 and 2,135.34 is: 2,946.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,079.26 : 4,248.99 = 2,135.34 : x
  2. Step 2: Convert to fraction form
    3,079.26/4,248.99 = 2,135.34/x
  3. Step 3: Cross multiply
    3,079.26x = 4,248.99 × 2,135.34
  4. Step 4: Simplify right side
    3,079.26x = 9,073,038.31
  5. Step 5: Solve for x
    x = 9,073,038.31/3,079.26
  6. Step 6: Final answer
    x = 2,946.50

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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.