Home / 2,084.23-3,126.48-697.51

Finding the Fourth Proportional to 2,084.23, 3,126.48 and 697.51

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Solution

The fourth proportional to 2,084.23, 3,126.48 and 697.51 is: 1,046.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,084.23 : 3,126.48 = 697.51 : x
  2. Step 2: Convert to fraction form
    2,084.23/3,126.48 = 697.51/x
  3. Step 3: Cross multiply
    2,084.23x = 3,126.48 × 697.51
  4. Step 4: Simplify right side
    2,084.23x = 2,180,751.06
  5. Step 5: Solve for x
    x = 2,180,751.06/2,084.23
  6. Step 6: Final answer
    x = 1,046.31

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1.5x scale

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.