Home / 1,904.91-2,628.55-1,065.66

Finding the Fourth Proportional to 1,904.91, 2,628.55 and 1,065.66

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Solution

The fourth proportional to 1,904.91, 2,628.55 and 1,065.66 is: 1,470.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,904.91 : 2,628.55 = 1,065.66 : x
  2. Step 2: Convert to fraction form
    1,904.91/2,628.55 = 1,065.66/x
  3. Step 3: Cross multiply
    1,904.91x = 2,628.55 × 1,065.66
  4. Step 4: Simplify right side
    1,904.91x = 2,801,140.59
  5. Step 5: Solve for x
    x = 2,801,140.59/1,904.91
  6. Step 6: Final answer
    x = 1,470.48

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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.