Home / 1,868.37-2,806.04-1,705.25

Finding the Fourth Proportional to 1,868.37, 2,806.04 and 1,705.25

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Solution

The fourth proportional to 1,868.37, 2,806.04 and 1,705.25 is: 2,561.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,868.37 : 2,806.04 = 1,705.25 : x
  2. Step 2: Convert to fraction form
    1,868.37/2,806.04 = 1,705.25/x
  3. Step 3: Cross multiply
    1,868.37x = 2,806.04 × 1,705.25
  4. Step 4: Simplify right side
    1,868.37x = 4,785,010.99
  5. Step 5: Solve for x
    x = 4,785,010.99/1,868.37
  6. Step 6: Final answer
    x = 2,561.07

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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.