Home / 2,734.11-4,102.19-1,639.26

Finding the Fourth Proportional to 2,734.11, 4,102.19 and 1,639.26

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Solution

The fourth proportional to 2,734.11, 4,102.19 and 1,639.26 is: 2,459.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,734.11 : 4,102.19 = 1,639.26 : x
  2. Step 2: Convert to fraction form
    2,734.11/4,102.19 = 1,639.26/x
  3. Step 3: Cross multiply
    2,734.11x = 4,102.19 × 1,639.26
  4. Step 4: Simplify right side
    2,734.11x = 6,724,547.78
  5. Step 5: Solve for x
    x = 6,724,547.78/2,734.11
  6. Step 6: Final answer
    x = 2,459.50

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1.5x scale

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.