Home / 1,955.03-2,697.96-1,070.85

Finding the Fourth Proportional to 1,955.03, 2,697.96 and 1,070.85

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Solution

The fourth proportional to 1,955.03, 2,697.96 and 1,070.85 is: 1,477.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,955.03 : 2,697.96 = 1,070.85 : x
  2. Step 2: Convert to fraction form
    1,955.03/2,697.96 = 1,070.85/x
  3. Step 3: Cross multiply
    1,955.03x = 2,697.96 × 1,070.85
  4. Step 4: Simplify right side
    1,955.03x = 2,889,110.47
  5. Step 5: Solve for x
    x = 2,889,110.47/1,955.03
  6. Step 6: Final answer
    x = 1,477.78

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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.