Home / 2,085.75-2,878.35-1,154.25

Finding the Fourth Proportional to 2,085.75, 2,878.35 and 1,154.25

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Solution

The fourth proportional to 2,085.75, 2,878.35 and 1,154.25 is: 1,592.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,085.75 : 2,878.35 = 1,154.25 : x
  2. Step 2: Convert to fraction form
    2,085.75/2,878.35 = 1,154.25/x
  3. Step 3: Cross multiply
    2,085.75x = 2,878.35 × 1,154.25
  4. Step 4: Simplify right side
    2,085.75x = 3,322,335.49
  5. Step 5: Solve for x
    x = 3,322,335.49/2,085.75
  6. Step 6: Final answer
    x = 1,592.87

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.