Home / 3,385.43-4,673.90-2,127.57

Finding the Fourth Proportional to 3,385.43, 4,673.90 and 2,127.57

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Solution

The fourth proportional to 3,385.43, 4,673.90 and 2,127.57 is: 2,937.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,385.43 : 4,673.90 = 2,127.57 : x
  2. Step 2: Convert to fraction form
    3,385.43/4,673.90 = 2,127.57/x
  3. Step 3: Cross multiply
    3,385.43x = 4,673.90 × 2,127.57
  4. Step 4: Simplify right side
    3,385.43x = 9,944,037.21
  5. Step 5: Solve for x
    x = 9,944,037.21/3,385.43
  6. Step 6: Final answer
    x = 2,937.31

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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.