Home / 3,076.29-4,245.12-1,750.05

Finding the Fourth Proportional to 3,076.29, 4,245.12 and 1,750.05

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Solution

The fourth proportional to 3,076.29, 4,245.12 and 1,750.05 is: 2,414.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,076.29 : 4,245.12 = 1,750.05 : x
  2. Step 2: Convert to fraction form
    3,076.29/4,245.12 = 1,750.05/x
  3. Step 3: Cross multiply
    3,076.29x = 4,245.12 × 1,750.05
  4. Step 4: Simplify right side
    3,076.29x = 7,429,172.26
  5. Step 5: Solve for x
    x = 7,429,172.26/3,076.29
  6. Step 6: Final answer
    x = 2,414.98

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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.