Home / 2,518.02-3,474.93-1,399.01

Finding the Fourth Proportional to 2,518.02, 3,474.93 and 1,399.01

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Solution

The fourth proportional to 2,518.02, 3,474.93 and 1,399.01 is: 1,930.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,518.02 : 3,474.93 = 1,399.01 : x
  2. Step 2: Convert to fraction form
    2,518.02/3,474.93 = 1,399.01/x
  3. Step 3: Cross multiply
    2,518.02x = 3,474.93 × 1,399.01
  4. Step 4: Simplify right side
    2,518.02x = 4,861,453.58
  5. Step 5: Solve for x
    x = 4,861,453.58/2,518.02
  6. Step 6: Final answer
    x = 1,930.66

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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.