Home / 3,626.90-5,437.08-1,317.86

Finding the Fourth Proportional to 3,626.90, 5,437.08 and 1,317.86

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Solution

The fourth proportional to 3,626.90, 5,437.08 and 1,317.86 is: 1,975.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,626.90 : 5,437.08 = 1,317.86 : x
  2. Step 2: Convert to fraction form
    3,626.90/5,437.08 = 1,317.86/x
  3. Step 3: Cross multiply
    3,626.90x = 5,437.08 × 1,317.86
  4. Step 4: Simplify right side
    3,626.90x = 7,165,310.25
  5. Step 5: Solve for x
    x = 7,165,310.25/3,626.90
  6. Step 6: Final answer
    x = 1,975.60

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1.5x scale

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.