Home / 1,858.06-2,564.20-1,018.85

Finding the Fourth Proportional to 1,858.06, 2,564.20 and 1,018.85

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Solution

The fourth proportional to 1,858.06, 2,564.20 and 1,018.85 is: 1,406.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,858.06 : 2,564.20 = 1,018.85 : x
  2. Step 2: Convert to fraction form
    1,858.06/2,564.20 = 1,018.85/x
  3. Step 3: Cross multiply
    1,858.06x = 2,564.20 × 1,018.85
  4. Step 4: Simplify right side
    1,858.06x = 2,612,523.62
  5. Step 5: Solve for x
    x = 2,612,523.62/1,858.06
  6. Step 6: Final answer
    x = 1,406.05

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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.