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Finding the Fourth Proportional to 1,995.48, 2,990.52 and 1,562.76

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Solution

The fourth proportional to 1,995.48, 2,990.52 and 1,562.76 is: 2,342.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,995.48 : 2,990.52 = 1,562.76 : x
  2. Step 2: Convert to fraction form
    1,995.48/2,990.52 = 1,562.76/x
  3. Step 3: Cross multiply
    1,995.48x = 2,990.52 × 1,562.76
  4. Step 4: Simplify right side
    1,995.48x = 4,673,465.04
  5. Step 5: Solve for x
    x = 4,673,465.04/1,995.48
  6. Step 6: Final answer
    x = 2,342.03

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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.