Home / 1,606.12-2,213.94-1,472.20

Finding the Fourth Proportional to 1,606.12, 2,213.94 and 1,472.20

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Solution

The fourth proportional to 1,606.12, 2,213.94 and 1,472.20 is: 2,029.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,606.12 : 2,213.94 = 1,472.20 : x
  2. Step 2: Convert to fraction form
    1,606.12/2,213.94 = 1,472.20/x
  3. Step 3: Cross multiply
    1,606.12x = 2,213.94 × 1,472.20
  4. Step 4: Simplify right side
    1,606.12x = 3,259,362.47
  5. Step 5: Solve for x
    x = 3,259,362.47/1,606.12
  6. Step 6: Final answer
    x = 2,029.34

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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.