Home / 1,904.63-2,628.94-1,108.14

Finding the Fourth Proportional to 1,904.63, 2,628.94 and 1,108.14

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Solution

The fourth proportional to 1,904.63, 2,628.94 and 1,108.14 is: 1,529.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,904.63 : 2,628.94 = 1,108.14 : x
  2. Step 2: Convert to fraction form
    1,904.63/2,628.94 = 1,108.14/x
  3. Step 3: Cross multiply
    1,904.63x = 2,628.94 × 1,108.14
  4. Step 4: Simplify right side
    1,904.63x = 2,913,220.43
  5. Step 5: Solve for x
    x = 2,913,220.43/1,904.63
  6. Step 6: Final answer
    x = 1,529.55

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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.