Home / 1,887.26-2,829.78-570.61

Finding the Fourth Proportional to 1,887.26, 2,829.78 and 570.61

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Solution

The fourth proportional to 1,887.26, 2,829.78 and 570.61 is: 855.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,887.26 : 2,829.78 = 570.61 : x
  2. Step 2: Convert to fraction form
    1,887.26/2,829.78 = 570.61/x
  3. Step 3: Cross multiply
    1,887.26x = 2,829.78 × 570.61
  4. Step 4: Simplify right side
    1,887.26x = 1,614,705.70
  5. Step 5: Solve for x
    x = 1,614,705.70/1,887.26
  6. Step 6: Final answer
    x = 855.58

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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.