Home / 3,317.31-4,975.80-1,237.15

Finding the Fourth Proportional to 3,317.31, 4,975.80 and 1,237.15

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Solution

The fourth proportional to 3,317.31, 4,975.80 and 1,237.15 is: 1,855.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,317.31 : 4,975.80 = 1,237.15 : x
  2. Step 2: Convert to fraction form
    3,317.31/4,975.80 = 1,237.15/x
  3. Step 3: Cross multiply
    3,317.31x = 4,975.80 × 1,237.15
  4. Step 4: Simplify right side
    3,317.31x = 6,155,827.38
  5. Step 5: Solve for x
    x = 6,155,827.38/3,317.31
  6. Step 6: Final answer
    x = 1,855.67

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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.