Home / 1,904.55-2,628.35-1,205.92

Finding the Fourth Proportional to 1,904.55, 2,628.35 and 1,205.92

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Solution

The fourth proportional to 1,904.55, 2,628.35 and 1,205.92 is: 1,664.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,904.55 : 2,628.35 = 1,205.92 : x
  2. Step 2: Convert to fraction form
    1,904.55/2,628.35 = 1,205.92/x
  3. Step 3: Cross multiply
    1,904.55x = 2,628.35 × 1,205.92
  4. Step 4: Simplify right side
    1,904.55x = 3,169,579.83
  5. Step 5: Solve for x
    x = 3,169,579.83/1,904.55
  6. Step 6: Final answer
    x = 1,664.21

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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.