Home / 1,904.07-2,628.89-1,275.41

Finding the Fourth Proportional to 1,904.07, 2,628.89 and 1,275.41

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Solution

The fourth proportional to 1,904.07, 2,628.89 and 1,275.41 is: 1,760.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,904.07 : 2,628.89 = 1,275.41 : x
  2. Step 2: Convert to fraction form
    1,904.07/2,628.89 = 1,275.41/x
  3. Step 3: Cross multiply
    1,904.07x = 2,628.89 × 1,275.41
  4. Step 4: Simplify right side
    1,904.07x = 3,352,893.07
  5. Step 5: Solve for x
    x = 3,352,893.07/1,904.07
  6. Step 6: Final answer
    x = 1,760.91

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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.