Home / 1,956.33-2,699.60-1,071.99

Finding the Fourth Proportional to 1,956.33, 2,699.60 and 1,071.99

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Solution

The fourth proportional to 1,956.33, 2,699.60 and 1,071.99 is: 1,479.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,956.33 : 2,699.60 = 1,071.99 : x
  2. Step 2: Convert to fraction form
    1,956.33/2,699.60 = 1,071.99/x
  3. Step 3: Cross multiply
    1,956.33x = 2,699.60 × 1,071.99
  4. Step 4: Simplify right side
    1,956.33x = 2,893,938.84
  5. Step 5: Solve for x
    x = 2,893,938.84/1,956.33
  6. Step 6: Final answer
    x = 1,479.27

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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.