Home / 1,859.09-2,785.50-1,036.89

Finding the Fourth Proportional to 1,859.09, 2,785.50 and 1,036.89

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Solution

The fourth proportional to 1,859.09, 2,785.50 and 1,036.89 is: 1,553.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,859.09 : 2,785.50 = 1,036.89 : x
  2. Step 2: Convert to fraction form
    1,859.09/2,785.50 = 1,036.89/x
  3. Step 3: Cross multiply
    1,859.09x = 2,785.50 × 1,036.89
  4. Step 4: Simplify right side
    1,859.09x = 2,888,257.10
  5. Step 5: Solve for x
    x = 2,888,257.10/1,859.09
  6. Step 6: Final answer
    x = 1,553.59

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.