Home / 3,137.10-4,705.98-1,057.35

Finding the Fourth Proportional to 3,137.10, 4,705.98 and 1,057.35

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Solution

The fourth proportional to 3,137.10, 4,705.98 and 1,057.35 is: 1,586.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,137.10 : 4,705.98 = 1,057.35 : x
  2. Step 2: Convert to fraction form
    3,137.10/4,705.98 = 1,057.35/x
  3. Step 3: Cross multiply
    3,137.10x = 4,705.98 × 1,057.35
  4. Step 4: Simplify right side
    3,137.10x = 4,975,867.95
  5. Step 5: Solve for x
    x = 4,975,867.95/3,137.10
  6. Step 6: Final answer
    x = 1,586.14

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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.