Home / 2,445.30-3,666.24-1,958.22

Finding the Fourth Proportional to 2,445.30, 3,666.24 and 1,958.22

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Solution

The fourth proportional to 2,445.30, 3,666.24 and 1,958.22 is: 2,935.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,445.30 : 3,666.24 = 1,958.22 : x
  2. Step 2: Convert to fraction form
    2,445.30/3,666.24 = 1,958.22/x
  3. Step 3: Cross multiply
    2,445.30x = 3,666.24 × 1,958.22
  4. Step 4: Simplify right side
    2,445.30x = 7,179,304.49
  5. Step 5: Solve for x
    x = 7,179,304.49/2,445.30
  6. Step 6: Final answer
    x = 2,935.96

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1.5x scale

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.