Home / 2,856.23-4,283.80-1,213.93

Finding the Fourth Proportional to 2,856.23, 4,283.80 and 1,213.93

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Solution

The fourth proportional to 2,856.23, 4,283.80 and 1,213.93 is: 1,820.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,856.23 : 4,283.80 = 1,213.93 : x
  2. Step 2: Convert to fraction form
    2,856.23/4,283.80 = 1,213.93/x
  3. Step 3: Cross multiply
    2,856.23x = 4,283.80 × 1,213.93
  4. Step 4: Simplify right side
    2,856.23x = 5,200,233.33
  5. Step 5: Solve for x
    x = 5,200,233.33/2,856.23
  6. Step 6: Final answer
    x = 1,820.66

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.