Home / 2,071.05-2,858.06-1,126.85

Finding the Fourth Proportional to 2,071.05, 2,858.06 and 1,126.85

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Solution

The fourth proportional to 2,071.05, 2,858.06 and 1,126.85 is: 1,555.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,071.05 : 2,858.06 = 1,126.85 : x
  2. Step 2: Convert to fraction form
    2,071.05/2,858.06 = 1,126.85/x
  3. Step 3: Cross multiply
    2,071.05x = 2,858.06 × 1,126.85
  4. Step 4: Simplify right side
    2,071.05x = 3,220,584.99
  5. Step 5: Solve for x
    x = 3,220,584.99/2,071.05
  6. Step 6: Final answer
    x = 1,555.05

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1.5x scale

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.