Home / 3,218.04-4,440.38-1,820.60

Finding the Fourth Proportional to 3,218.04, 4,440.38 and 1,820.60

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Solution

The fourth proportional to 3,218.04, 4,440.38 and 1,820.60 is: 2,512.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,218.04 : 4,440.38 = 1,820.60 : x
  2. Step 2: Convert to fraction form
    3,218.04/4,440.38 = 1,820.60/x
  3. Step 3: Cross multiply
    3,218.04x = 4,440.38 × 1,820.60
  4. Step 4: Simplify right side
    3,218.04x = 8,084,155.83
  5. Step 5: Solve for x
    x = 8,084,155.83/3,218.04
  6. Step 6: Final answer
    x = 2,512.14

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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.