Home / 1,803.12-2,701.62-1,022.64

Finding the Fourth Proportional to 1,803.12, 2,701.62 and 1,022.64

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Solution

The fourth proportional to 1,803.12, 2,701.62 and 1,022.64 is: 1,532.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,803.12 : 2,701.62 = 1,022.64 : x
  2. Step 2: Convert to fraction form
    1,803.12/2,701.62 = 1,022.64/x
  3. Step 3: Cross multiply
    1,803.12x = 2,701.62 × 1,022.64
  4. Step 4: Simplify right side
    1,803.12x = 2,762,784.68
  5. Step 5: Solve for x
    x = 2,762,784.68/1,803.12
  6. Step 6: Final answer
    x = 1,532.22

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.