Home / 3,137.11-4,705.56-1,057.08

Finding the Fourth Proportional to 3,137.11, 4,705.56 and 1,057.08

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Solution

The fourth proportional to 3,137.11, 4,705.56 and 1,057.08 is: 1,585.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,137.11 : 4,705.56 = 1,057.08 : x
  2. Step 2: Convert to fraction form
    3,137.11/4,705.56 = 1,057.08/x
  3. Step 3: Cross multiply
    3,137.11x = 4,705.56 × 1,057.08
  4. Step 4: Simplify right side
    3,137.11x = 4,974,153.36
  5. Step 5: Solve for x
    x = 4,974,153.36/3,137.11
  6. Step 6: Final answer
    x = 1,585.58

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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.