Home / 4,081.04-6,121.55-1,616.21

Finding the Fourth Proportional to 4,081.04, 6,121.55 and 1,616.21

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Solution

The fourth proportional to 4,081.04, 6,121.55 and 1,616.21 is: 2,424.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,081.04 : 6,121.55 = 1,616.21 : x
  2. Step 2: Convert to fraction form
    4,081.04/6,121.55 = 1,616.21/x
  3. Step 3: Cross multiply
    4,081.04x = 6,121.55 × 1,616.21
  4. Step 4: Simplify right side
    4,081.04x = 9,893,683.76
  5. Step 5: Solve for x
    x = 9,893,683.76/4,081.04
  6. Step 6: Final answer
    x = 2,424.31

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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.