Home / 2,238.17-3,090.09-1,441.80

Finding the Fourth Proportional to 2,238.17, 3,090.09 and 1,441.80

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Solution

The fourth proportional to 2,238.17, 3,090.09 and 1,441.80 is: 1,990.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,238.17 : 3,090.09 = 1,441.80 : x
  2. Step 2: Convert to fraction form
    2,238.17/3,090.09 = 1,441.80/x
  3. Step 3: Cross multiply
    2,238.17x = 3,090.09 × 1,441.80
  4. Step 4: Simplify right side
    2,238.17x = 4,455,291.76
  5. Step 5: Solve for x
    x = 4,455,291.76/2,238.17
  6. Step 6: Final answer
    x = 1,990.60

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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.