Home / 1,956.21-2,699.55-1,059.95

Finding the Fourth Proportional to 1,956.21, 2,699.55 and 1,059.95

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Solution

The fourth proportional to 1,956.21, 2,699.55 and 1,059.95 is: 1,462.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,956.21 : 2,699.55 = 1,059.95 : x
  2. Step 2: Convert to fraction form
    1,956.21/2,699.55 = 1,059.95/x
  3. Step 3: Cross multiply
    1,956.21x = 2,699.55 × 1,059.95
  4. Step 4: Simplify right side
    1,956.21x = 2,861,388.02
  5. Step 5: Solve for x
    x = 2,861,388.02/1,956.21
  6. Step 6: Final answer
    x = 1,462.72

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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.