Home / 3,142.10-4,336.14-1,725.92

Finding the Fourth Proportional to 3,142.10, 4,336.14 and 1,725.92

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Solution

The fourth proportional to 3,142.10, 4,336.14 and 1,725.92 is: 2,381.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,142.10 : 4,336.14 = 1,725.92 : x
  2. Step 2: Convert to fraction form
    3,142.10/4,336.14 = 1,725.92/x
  3. Step 3: Cross multiply
    3,142.10x = 4,336.14 × 1,725.92
  4. Step 4: Simplify right side
    3,142.10x = 7,483,830.75
  5. Step 5: Solve for x
    x = 7,483,830.75/3,142.10
  6. Step 6: Final answer
    x = 2,381.79

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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.