Home / 1,606.28-2,215.50-1,229.02

Finding the Fourth Proportional to 1,606.28, 2,215.50 and 1,229.02

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Solution

The fourth proportional to 1,606.28, 2,215.50 and 1,229.02 is: 1,695.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,606.28 : 2,215.50 = 1,229.02 : x
  2. Step 2: Convert to fraction form
    1,606.28/2,215.50 = 1,229.02/x
  3. Step 3: Cross multiply
    1,606.28x = 2,215.50 × 1,229.02
  4. Step 4: Simplify right side
    1,606.28x = 2,722,893.81
  5. Step 5: Solve for x
    x = 2,722,893.81/1,606.28
  6. Step 6: Final answer
    x = 1,695.16

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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.