Home / 2,861.33-3,948.70-1,602.37

Finding the Fourth Proportional to 2,861.33, 3,948.70 and 1,602.37

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Solution

The fourth proportional to 2,861.33, 3,948.70 and 1,602.37 is: 2,211.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,861.33 : 3,948.70 = 1,602.37 : x
  2. Step 2: Convert to fraction form
    2,861.33/3,948.70 = 1,602.37/x
  3. Step 3: Cross multiply
    2,861.33x = 3,948.70 × 1,602.37
  4. Step 4: Simplify right side
    2,861.33x = 6,327,278.42
  5. Step 5: Solve for x
    x = 6,327,278.42/2,861.33
  6. Step 6: Final answer
    x = 2,211.31

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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.