Home / 1,860.01-2,790.63-1,450.56

Finding the Fourth Proportional to 1,860.01, 2,790.63 and 1,450.56

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Solution

The fourth proportional to 1,860.01, 2,790.63 and 1,450.56 is: 2,176.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,860.01 : 2,790.63 = 1,450.56 : x
  2. Step 2: Convert to fraction form
    1,860.01/2,790.63 = 1,450.56/x
  3. Step 3: Cross multiply
    1,860.01x = 2,790.63 × 1,450.56
  4. Step 4: Simplify right side
    1,860.01x = 4,047,976.25
  5. Step 5: Solve for x
    x = 4,047,976.25/1,860.01
  6. Step 6: Final answer
    x = 2,176.32

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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.