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Finding the Fourth Proportional to 1,878.02, 2,817.03 and 1,763.84

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Solution

The fourth proportional to 1,878.02, 2,817.03 and 1,763.84 is: 2,645.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,878.02 : 2,817.03 = 1,763.84 : x
  2. Step 2: Convert to fraction form
    1,878.02/2,817.03 = 1,763.84/x
  3. Step 3: Cross multiply
    1,878.02x = 2,817.03 × 1,763.84
  4. Step 4: Simplify right side
    1,878.02x = 4,968,790.20
  5. Step 5: Solve for x
    x = 4,968,790.20/1,878.02
  6. Step 6: Final answer
    x = 2,645.76

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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.