Home / 2,943.23-4,383.42-2,909.21

Finding the Fourth Proportional to 2,943.23, 4,383.42 and 2,909.21

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Solution

The fourth proportional to 2,943.23, 4,383.42 and 2,909.21 is: 4,332.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,943.23 : 4,383.42 = 2,909.21 : x
  2. Step 2: Convert to fraction form
    2,943.23/4,383.42 = 2,909.21/x
  3. Step 3: Cross multiply
    2,943.23x = 4,383.42 × 2,909.21
  4. Step 4: Simplify right side
    2,943.23x = 12,752,256.47
  5. Step 5: Solve for x
    x = 12,752,256.47/2,943.23
  6. Step 6: Final answer
    x = 4,332.75

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.