Home / 3,581.08-4,941.76-2,009.20

Finding the Fourth Proportional to 3,581.08, 4,941.76 and 2,009.20

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Solution

The fourth proportional to 3,581.08, 4,941.76 and 2,009.20 is: 2,772.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,581.08 : 4,941.76 = 2,009.20 : x
  2. Step 2: Convert to fraction form
    3,581.08/4,941.76 = 2,009.20/x
  3. Step 3: Cross multiply
    3,581.08x = 4,941.76 × 2,009.20
  4. Step 4: Simplify right side
    3,581.08x = 9,928,984.19
  5. Step 5: Solve for x
    x = 9,928,984.19/3,581.08
  6. Step 6: Final answer
    x = 2,772.62

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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.