Home / 2,284.93-3,153.19-1,290.53

Finding the Fourth Proportional to 2,284.93, 3,153.19 and 1,290.53

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Solution

The fourth proportional to 2,284.93, 3,153.19 and 1,290.53 is: 1,780.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,284.93 : 3,153.19 = 1,290.53 : x
  2. Step 2: Convert to fraction form
    2,284.93/3,153.19 = 1,290.53/x
  3. Step 3: Cross multiply
    2,284.93x = 3,153.19 × 1,290.53
  4. Step 4: Simplify right side
    2,284.93x = 4,069,286.29
  5. Step 5: Solve for x
    x = 4,069,286.29/2,284.93
  6. Step 6: Final answer
    x = 1,780.92

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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.