Home / 3,057.94-4,219.56-1,731.77

Finding the Fourth Proportional to 3,057.94, 4,219.56 and 1,731.77

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Solution

The fourth proportional to 3,057.94, 4,219.56 and 1,731.77 is: 2,389.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,057.94 : 4,219.56 = 1,731.77 : x
  2. Step 2: Convert to fraction form
    3,057.94/4,219.56 = 1,731.77/x
  3. Step 3: Cross multiply
    3,057.94x = 4,219.56 × 1,731.77
  4. Step 4: Simplify right side
    3,057.94x = 7,307,307.42
  5. Step 5: Solve for x
    x = 7,307,307.42/3,057.94
  6. Step 6: Final answer
    x = 2,389.62

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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.