Home / 3,600.09-5,397.48-1,407.69

Finding the Fourth Proportional to 3,600.09, 5,397.48 and 1,407.69

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Solution

The fourth proportional to 3,600.09, 5,397.48 and 1,407.69 is: 2,110.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,600.09 : 5,397.48 = 1,407.69 : x
  2. Step 2: Convert to fraction form
    3,600.09/5,397.48 = 1,407.69/x
  3. Step 3: Cross multiply
    3,600.09x = 5,397.48 × 1,407.69
  4. Step 4: Simplify right side
    3,600.09x = 7,597,978.62
  5. Step 5: Solve for x
    x = 7,597,978.62/3,600.09
  6. Step 6: Final answer
    x = 2,110.50

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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.