Home / 3,317.10-4,975.73-1,125.81

Finding the Fourth Proportional to 3,317.10, 4,975.73 and 1,125.81

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Solution

The fourth proportional to 3,317.10, 4,975.73 and 1,125.81 is: 1,688.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,317.10 : 4,975.73 = 1,125.81 : x
  2. Step 2: Convert to fraction form
    3,317.10/4,975.73 = 1,125.81/x
  3. Step 3: Cross multiply
    3,317.10x = 4,975.73 × 1,125.81
  4. Step 4: Simplify right side
    3,317.10x = 5,601,732.18
  5. Step 5: Solve for x
    x = 5,601,732.18/3,317.10
  6. Step 6: Final answer
    x = 1,688.74

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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.