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Finding the Fourth Proportional to 2,135.49, 3,200.60 and 901.46

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Solution

The fourth proportional to 2,135.49, 3,200.60 and 901.46 is: 1,351.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,135.49 : 3,200.60 = 901.46 : x
  2. Step 2: Convert to fraction form
    2,135.49/3,200.60 = 901.46/x
  3. Step 3: Cross multiply
    2,135.49x = 3,200.60 × 901.46
  4. Step 4: Simplify right side
    2,135.49x = 2,885,212.88
  5. Step 5: Solve for x
    x = 2,885,212.88/2,135.49
  6. Step 6: Final answer
    x = 1,351.08

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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.