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Finding the Fourth Proportional to 1,895.04, 2,842.38 and 662.22

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Solution

The fourth proportional to 1,895.04, 2,842.38 and 662.22 is: 993.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,895.04 : 2,842.38 = 662.22 : x
  2. Step 2: Convert to fraction form
    1,895.04/2,842.38 = 662.22/x
  3. Step 3: Cross multiply
    1,895.04x = 2,842.38 × 662.22
  4. Step 4: Simplify right side
    1,895.04x = 1,882,280.88
  5. Step 5: Solve for x
    x = 1,882,280.88/1,895.04
  6. Step 6: Final answer
    x = 993.27

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1.5x scale

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.