Home / 2,868.06-3,956.26-2,070.48

Finding the Fourth Proportional to 2,868.06, 3,956.26 and 2,070.48

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Solution

The fourth proportional to 2,868.06, 3,956.26 and 2,070.48 is: 2,856.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,868.06 : 3,956.26 = 2,070.48 : x
  2. Step 2: Convert to fraction form
    2,868.06/3,956.26 = 2,070.48/x
  3. Step 3: Cross multiply
    2,868.06x = 3,956.26 × 2,070.48
  4. Step 4: Simplify right side
    2,868.06x = 8,191,357.20
  5. Step 5: Solve for x
    x = 8,191,357.20/2,868.06
  6. Step 6: Final answer
    x = 2,856.06

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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.