Home / 1,917.46-2,870.82-1,563.94

Finding the Fourth Proportional to 1,917.46, 2,870.82 and 1,563.94

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Solution

The fourth proportional to 1,917.46, 2,870.82 and 1,563.94 is: 2,341.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,917.46 : 2,870.82 = 1,563.94 : x
  2. Step 2: Convert to fraction form
    1,917.46/2,870.82 = 1,563.94/x
  3. Step 3: Cross multiply
    1,917.46x = 2,870.82 × 1,563.94
  4. Step 4: Simplify right side
    1,917.46x = 4,489,790.23
  5. Step 5: Solve for x
    x = 4,489,790.23/1,917.46
  6. Step 6: Final answer
    x = 2,341.53

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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.