Home / 3,624.90-5,437.26-1,403.12

Finding the Fourth Proportional to 3,624.90, 5,437.26 and 1,403.12

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Solution

The fourth proportional to 3,624.90, 5,437.26 and 1,403.12 is: 2,104.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,624.90 : 5,437.26 = 1,403.12 : x
  2. Step 2: Convert to fraction form
    3,624.90/5,437.26 = 1,403.12/x
  3. Step 3: Cross multiply
    3,624.90x = 5,437.26 × 1,403.12
  4. Step 4: Simplify right side
    3,624.90x = 7,629,128.25
  5. Step 5: Solve for x
    x = 7,629,128.25/3,624.90
  6. Step 6: Final answer
    x = 2,104.65

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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.