Home / 1,600.20-2,208.60-1,450.08

Finding the Fourth Proportional to 1,600.20, 2,208.60 and 1,450.08

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Solution

The fourth proportional to 1,600.20, 2,208.60 and 1,450.08 is: 2,001.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,600.20 : 2,208.60 = 1,450.08 : x
  2. Step 2: Convert to fraction form
    1,600.20/2,208.60 = 1,450.08/x
  3. Step 3: Cross multiply
    1,600.20x = 2,208.60 × 1,450.08
  4. Step 4: Simplify right side
    1,600.20x = 3,202,646.69
  5. Step 5: Solve for x
    x = 3,202,646.69/1,600.20
  6. Step 6: Final answer
    x = 2,001.40

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.