Home / 3,076-4,245.06-1,749.76

Finding the Fourth Proportional to 3,076, 4,245.06 and 1,749.76

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Solution

The fourth proportional to 3,076, 4,245.06 and 1,749.76 is: 2,414.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,076 : 4,245.06 = 1,749.76 : x
  2. Step 2: Convert to fraction form
    3,076/4,245.06 = 1,749.76/x
  3. Step 3: Cross multiply
    3,076x = 4,245.06 × 1,749.76
  4. Step 4: Simplify right side
    3,076x = 7,427,836.19
  5. Step 5: Solve for x
    x = 7,427,836.19/3,076
  6. Step 6: Final answer
    x = 2,414.77

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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.