Home / 2,135.37-3,200.62-900.93

Finding the Fourth Proportional to 2,135.37, 3,200.62 and 900.93

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Solution

The fourth proportional to 2,135.37, 3,200.62 and 900.93 is: 1,350.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,135.37 : 3,200.62 = 900.93 : x
  2. Step 2: Convert to fraction form
    2,135.37/3,200.62 = 900.93/x
  3. Step 3: Cross multiply
    2,135.37x = 3,200.62 × 900.93
  4. Step 4: Simplify right side
    2,135.37x = 2,883,534.58
  5. Step 5: Solve for x
    x = 2,883,534.58/2,135.37
  6. Step 6: Final answer
    x = 1,350.37

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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.