Home / 1,956.10-2,941.35-1,639.30

Finding the Fourth Proportional to 1,956.10, 2,941.35 and 1,639.30

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Solution

The fourth proportional to 1,956.10, 2,941.35 and 1,639.30 is: 2,464.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,956.10 : 2,941.35 = 1,639.30 : x
  2. Step 2: Convert to fraction form
    1,956.10/2,941.35 = 1,639.30/x
  3. Step 3: Cross multiply
    1,956.10x = 2,941.35 × 1,639.30
  4. Step 4: Simplify right side
    1,956.10x = 4,821,755.06
  5. Step 5: Solve for x
    x = 4,821,755.06/1,956.10
  6. Step 6: Final answer
    x = 2,464.98

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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.