Home / 2,474.57-3,415.01-1,355.56

Finding the Fourth Proportional to 2,474.57, 3,415.01 and 1,355.56

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Solution

The fourth proportional to 2,474.57, 3,415.01 and 1,355.56 is: 1,870.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,474.57 : 3,415.01 = 1,355.56 : x
  2. Step 2: Convert to fraction form
    2,474.57/3,415.01 = 1,355.56/x
  3. Step 3: Cross multiply
    2,474.57x = 3,415.01 × 1,355.56
  4. Step 4: Simplify right side
    2,474.57x = 4,629,235.64
  5. Step 5: Solve for x
    x = 4,629,235.64/2,474.57
  6. Step 6: Final answer
    x = 1,870.72

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.