Home / 1,947.79-2,923.16-1,562.44

Finding the Fourth Proportional to 1,947.79, 2,923.16 and 1,562.44

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Solution

The fourth proportional to 1,947.79, 2,923.16 and 1,562.44 is: 2,344.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,947.79 : 2,923.16 = 1,562.44 : x
  2. Step 2: Convert to fraction form
    1,947.79/2,923.16 = 1,562.44/x
  3. Step 3: Cross multiply
    1,947.79x = 2,923.16 × 1,562.44
  4. Step 4: Simplify right side
    1,947.79x = 4,567,262.11
  5. Step 5: Solve for x
    x = 4,567,262.11/1,947.79
  6. Step 6: Final answer
    x = 2,344.84

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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.