Home / 4,170.49-6,255.70-1,672.80

Finding the Fourth Proportional to 4,170.49, 6,255.70 and 1,672.80

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Solution

The fourth proportional to 4,170.49, 6,255.70 and 1,672.80 is: 2,509.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,170.49 : 6,255.70 = 1,672.80 : x
  2. Step 2: Convert to fraction form
    4,170.49/6,255.70 = 1,672.80/x
  3. Step 3: Cross multiply
    4,170.49x = 6,255.70 × 1,672.80
  4. Step 4: Simplify right side
    4,170.49x = 10,464,534.96
  5. Step 5: Solve for x
    x = 10,464,534.96/4,170.49
  6. Step 6: Final answer
    x = 2,509.19

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.