Home / 3,624.36-5,437.38-1,403.49

Finding the Fourth Proportional to 3,624.36, 5,437.38 and 1,403.49

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Solution

The fourth proportional to 3,624.36, 5,437.38 and 1,403.49 is: 2,105.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,624.36 : 5,437.38 = 1,403.49 : x
  2. Step 2: Convert to fraction form
    3,624.36/5,437.38 = 1,403.49/x
  3. Step 3: Cross multiply
    3,624.36x = 5,437.38 × 1,403.49
  4. Step 4: Simplify right side
    3,624.36x = 7,631,308.46
  5. Step 5: Solve for x
    x = 7,631,308.46/3,624.36
  6. Step 6: Final answer
    x = 2,105.56

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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.