Home / 2,744.95-3,788-1,485.98

Finding the Fourth Proportional to 2,744.95, 3,788 and 1,485.98

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Solution

The fourth proportional to 2,744.95, 3,788 and 1,485.98 is: 2,050.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,744.95 : 3,788 = 1,485.98 : x
  2. Step 2: Convert to fraction form
    2,744.95/3,788 = 1,485.98/x
  3. Step 3: Cross multiply
    2,744.95x = 3,788 × 1,485.98
  4. Step 4: Simplify right side
    2,744.95x = 5,628,892.24
  5. Step 5: Solve for x
    x = 5,628,892.24/2,744.95
  6. Step 6: Final answer
    x = 2,050.64

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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.