Home / 1,684.98-2,325.03-986.22

Finding the Fourth Proportional to 1,684.98, 2,325.03 and 986.22

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Solution

The fourth proportional to 1,684.98, 2,325.03 and 986.22 is: 1,360.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,684.98 : 2,325.03 = 986.22 : x
  2. Step 2: Convert to fraction form
    1,684.98/2,325.03 = 986.22/x
  3. Step 3: Cross multiply
    1,684.98x = 2,325.03 × 986.22
  4. Step 4: Simplify right side
    1,684.98x = 2,292,991.09
  5. Step 5: Solve for x
    x = 2,292,991.09/1,684.98
  6. Step 6: Final answer
    x = 1,360.84

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1.5x scale

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.