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Finding the Fourth Proportional to 3,575.69, 5,362.19 and 1,726.19

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Solution

The fourth proportional to 3,575.69, 5,362.19 and 1,726.19 is: 2,588.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,575.69 : 5,362.19 = 1,726.19 : x
  2. Step 2: Convert to fraction form
    3,575.69/5,362.19 = 1,726.19/x
  3. Step 3: Cross multiply
    3,575.69x = 5,362.19 × 1,726.19
  4. Step 4: Simplify right side
    3,575.69x = 9,256,150.13
  5. Step 5: Solve for x
    x = 9,256,150.13/3,575.69
  6. Step 6: Final answer
    x = 2,588.63

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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.