Home / 1,887.14-2,829.61-570.50

Finding the Fourth Proportional to 1,887.14, 2,829.61 and 570.50

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Solution

The fourth proportional to 1,887.14, 2,829.61 and 570.50 is: 855.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,887.14 : 2,829.61 = 570.50 : x
  2. Step 2: Convert to fraction form
    1,887.14/2,829.61 = 570.50/x
  3. Step 3: Cross multiply
    1,887.14x = 2,829.61 × 570.50
  4. Step 4: Simplify right side
    1,887.14x = 1,614,298.15
  5. Step 5: Solve for x
    x = 1,614,298.15/1,887.14
  6. Step 6: Final answer
    x = 855.42

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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.