Home / 3,080.50-4,615.62-2,039.11

Finding the Fourth Proportional to 3,080.50, 4,615.62 and 2,039.11

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Solution

The fourth proportional to 3,080.50, 4,615.62 and 2,039.11 is: 3,055.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,080.50 : 4,615.62 = 2,039.11 : x
  2. Step 2: Convert to fraction form
    3,080.50/4,615.62 = 2,039.11/x
  3. Step 3: Cross multiply
    3,080.50x = 4,615.62 × 2,039.11
  4. Step 4: Simplify right side
    3,080.50x = 9,411,756.90
  5. Step 5: Solve for x
    x = 9,411,756.90/3,080.50
  6. Step 6: Final answer
    x = 3,055.27

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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.