Home / 3,142.22-4,336.07-1,725.80

Finding the Fourth Proportional to 3,142.22, 4,336.07 and 1,725.80

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Solution

The fourth proportional to 3,142.22, 4,336.07 and 1,725.80 is: 2,381.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,142.22 : 4,336.07 = 1,725.80 : x
  2. Step 2: Convert to fraction form
    3,142.22/4,336.07 = 1,725.80/x
  3. Step 3: Cross multiply
    3,142.22x = 4,336.07 × 1,725.80
  4. Step 4: Simplify right side
    3,142.22x = 7,483,159.30
  5. Step 5: Solve for x
    x = 7,483,159.30/3,142.22
  6. Step 6: Final answer
    x = 2,381.49

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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.