Home / 2,956.81-4,431.38-1,199.77

Finding the Fourth Proportional to 2,956.81, 4,431.38 and 1,199.77

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Solution

The fourth proportional to 2,956.81, 4,431.38 and 1,199.77 is: 1,798.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,956.81 : 4,431.38 = 1,199.77 : x
  2. Step 2: Convert to fraction form
    2,956.81/4,431.38 = 1,199.77/x
  3. Step 3: Cross multiply
    2,956.81x = 4,431.38 × 1,199.77
  4. Step 4: Simplify right side
    2,956.81x = 5,316,626.45
  5. Step 5: Solve for x
    x = 5,316,626.45/2,956.81
  6. Step 6: Final answer
    x = 1,798.10

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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.