Home / 1,894.25-2,840.34-1,017.80

Finding the Fourth Proportional to 1,894.25, 2,840.34 and 1,017.80

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Solution

The fourth proportional to 1,894.25, 2,840.34 and 1,017.80 is: 1,526.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,894.25 : 2,840.34 = 1,017.80 : x
  2. Step 2: Convert to fraction form
    1,894.25/2,840.34 = 1,017.80/x
  3. Step 3: Cross multiply
    1,894.25x = 2,840.34 × 1,017.80
  4. Step 4: Simplify right side
    1,894.25x = 2,890,883.85
  5. Step 5: Solve for x
    x = 2,890,883.85/1,894.25
  6. Step 6: Final answer
    x = 1,526.14

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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.