Home / 1,972.30-2,958.96-585.63

Finding the Fourth Proportional to 1,972.30, 2,958.96 and 585.63

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Solution

The fourth proportional to 1,972.30, 2,958.96 and 585.63 is: 878.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,972.30 : 2,958.96 = 585.63 : x
  2. Step 2: Convert to fraction form
    1,972.30/2,958.96 = 585.63/x
  3. Step 3: Cross multiply
    1,972.30x = 2,958.96 × 585.63
  4. Step 4: Simplify right side
    1,972.30x = 1,732,857.94
  5. Step 5: Solve for x
    x = 1,732,857.94/1,972.30
  6. Step 6: Final answer
    x = 878.60

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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.