Home / 2,230.74-3,079.44-1,485.90

Finding the Fourth Proportional to 2,230.74, 3,079.44 and 1,485.90

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Solution

The fourth proportional to 2,230.74, 3,079.44 and 1,485.90 is: 2,051.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,230.74 : 3,079.44 = 1,485.90 : x
  2. Step 2: Convert to fraction form
    2,230.74/3,079.44 = 1,485.90/x
  3. Step 3: Cross multiply
    2,230.74x = 3,079.44 × 1,485.90
  4. Step 4: Simplify right side
    2,230.74x = 4,575,739.90
  5. Step 5: Solve for x
    x = 4,575,739.90/2,230.74
  6. Step 6: Final answer
    x = 2,051.22

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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.