Home / 2,861.46-3,948.62-1,602.30

Finding the Fourth Proportional to 2,861.46, 3,948.62 and 1,602.30

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Solution

The fourth proportional to 2,861.46, 3,948.62 and 1,602.30 is: 2,211.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,861.46 : 3,948.62 = 1,602.30 : x
  2. Step 2: Convert to fraction form
    2,861.46/3,948.62 = 1,602.30/x
  3. Step 3: Cross multiply
    2,861.46x = 3,948.62 × 1,602.30
  4. Step 4: Simplify right side
    2,861.46x = 6,326,873.83
  5. Step 5: Solve for x
    x = 6,326,873.83/2,861.46
  6. Step 6: Final answer
    x = 2,211.06

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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.