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Finding the Fourth Proportional to 3,363.03, 4,640.87 and 1,870.90

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Solution

The fourth proportional to 3,363.03, 4,640.87 and 1,870.90 is: 2,581.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,363.03 : 4,640.87 = 1,870.90 : x
  2. Step 2: Convert to fraction form
    3,363.03/4,640.87 = 1,870.90/x
  3. Step 3: Cross multiply
    3,363.03x = 4,640.87 × 1,870.90
  4. Step 4: Simplify right side
    3,363.03x = 8,682,596.76
  5. Step 5: Solve for x
    x = 8,682,596.76/3,363.03
  6. Step 6: Final answer
    x = 2,581.78

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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.