Home / 3,180.74-4,384.80-2,233.64

Finding the Fourth Proportional to 3,180.74, 4,384.80 and 2,233.64

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Solution

The fourth proportional to 3,180.74, 4,384.80 and 2,233.64 is: 3,079.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,180.74 : 4,384.80 = 2,233.64 : x
  2. Step 2: Convert to fraction form
    3,180.74/4,384.80 = 2,233.64/x
  3. Step 3: Cross multiply
    3,180.74x = 4,384.80 × 2,233.64
  4. Step 4: Simplify right side
    3,180.74x = 9,794,075.63
  5. Step 5: Solve for x
    x = 9,794,075.63/3,180.74
  6. Step 6: Final answer
    x = 3,079.19

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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.