Home / 2,803.87-4,200.33-1,705.51

Finding the Fourth Proportional to 2,803.87, 4,200.33 and 1,705.51

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Solution

The fourth proportional to 2,803.87, 4,200.33 and 1,705.51 is: 2,554.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,803.87 : 4,200.33 = 1,705.51 : x
  2. Step 2: Convert to fraction form
    2,803.87/4,200.33 = 1,705.51/x
  3. Step 3: Cross multiply
    2,803.87x = 4,200.33 × 1,705.51
  4. Step 4: Simplify right side
    2,803.87x = 7,163,704.82
  5. Step 5: Solve for x
    x = 7,163,704.82/2,803.87
  6. Step 6: Final answer
    x = 2,554.93

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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.