Home / 3,102.19-4,653.72-1,459.19

Finding the Fourth Proportional to 3,102.19, 4,653.72 and 1,459.19

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Solution

The fourth proportional to 3,102.19, 4,653.72 and 1,459.19 is: 2,189.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,102.19 : 4,653.72 = 1,459.19 : x
  2. Step 2: Convert to fraction form
    3,102.19/4,653.72 = 1,459.19/x
  3. Step 3: Cross multiply
    3,102.19x = 4,653.72 × 1,459.19
  4. Step 4: Simplify right side
    3,102.19x = 6,790,673.32
  5. Step 5: Solve for x
    x = 6,790,673.32/3,102.19
  6. Step 6: Final answer
    x = 2,189.00

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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.