Home / 3,615.65-4,989.59-2,022.35

Finding the Fourth Proportional to 3,615.65, 4,989.59 and 2,022.35

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Solution

The fourth proportional to 3,615.65, 4,989.59 and 2,022.35 is: 2,790.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,615.65 : 4,989.59 = 2,022.35 : x
  2. Step 2: Convert to fraction form
    3,615.65/4,989.59 = 2,022.35/x
  3. Step 3: Cross multiply
    3,615.65x = 4,989.59 × 2,022.35
  4. Step 4: Simplify right side
    3,615.65x = 10,090,662.28
  5. Step 5: Solve for x
    x = 10,090,662.28/3,615.65
  6. Step 6: Final answer
    x = 2,790.83

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1.5x scale

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.