Home / 1,972.89-2,958.30-586.03

Finding the Fourth Proportional to 1,972.89, 2,958.30 and 586.03

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Solution

The fourth proportional to 1,972.89, 2,958.30 and 586.03 is: 878.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,972.89 : 2,958.30 = 586.03 : x
  2. Step 2: Convert to fraction form
    1,972.89/2,958.30 = 586.03/x
  3. Step 3: Cross multiply
    1,972.89x = 2,958.30 × 586.03
  4. Step 4: Simplify right side
    1,972.89x = 1,733,649.62
  5. Step 5: Solve for x
    x = 1,733,649.62/1,972.89
  6. Step 6: Final answer
    x = 878.74

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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.