Home / 2,104.79-2,904.96-1,606.49

Finding the Fourth Proportional to 2,104.79, 2,904.96 and 1,606.49

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Solution

The fourth proportional to 2,104.79, 2,904.96 and 1,606.49 is: 2,217.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,104.79 : 2,904.96 = 1,606.49 : x
  2. Step 2: Convert to fraction form
    2,104.79/2,904.96 = 1,606.49/x
  3. Step 3: Cross multiply
    2,104.79x = 2,904.96 × 1,606.49
  4. Step 4: Simplify right side
    2,104.79x = 4,666,789.19
  5. Step 5: Solve for x
    x = 4,666,789.19/2,104.79
  6. Step 6: Final answer
    x = 2,217.22

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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.