Home / 3,465.10-4,781.85-1,871.75

Finding the Fourth Proportional to 3,465.10, 4,781.85 and 1,871.75

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Solution

The fourth proportional to 3,465.10, 4,781.85 and 1,871.75 is: 2,583.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,465.10 : 4,781.85 = 1,871.75 : x
  2. Step 2: Convert to fraction form
    3,465.10/4,781.85 = 1,871.75/x
  3. Step 3: Cross multiply
    3,465.10x = 4,781.85 × 1,871.75
  4. Step 4: Simplify right side
    3,465.10x = 8,950,431.11
  5. Step 5: Solve for x
    x = 8,950,431.11/3,465.10
  6. Step 6: Final answer
    x = 2,583.02

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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.