Home / 1,955.78-2,933.58-569.09

Finding the Fourth Proportional to 1,955.78, 2,933.58 and 569.09

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Solution

The fourth proportional to 1,955.78, 2,933.58 and 569.09 is: 853.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,955.78 : 2,933.58 = 569.09 : x
  2. Step 2: Convert to fraction form
    1,955.78/2,933.58 = 569.09/x
  3. Step 3: Cross multiply
    1,955.78x = 2,933.58 × 569.09
  4. Step 4: Simplify right side
    1,955.78x = 1,669,480.51
  5. Step 5: Solve for x
    x = 1,669,480.51/1,955.78
  6. Step 6: Final answer
    x = 853.61

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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.