Home / 2,056.37-3,084.19-669.51

Finding the Fourth Proportional to 2,056.37, 3,084.19 and 669.51

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Solution

The fourth proportional to 2,056.37, 3,084.19 and 669.51 is: 1,004.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,056.37 : 3,084.19 = 669.51 : x
  2. Step 2: Convert to fraction form
    2,056.37/3,084.19 = 669.51/x
  3. Step 3: Cross multiply
    2,056.37x = 3,084.19 × 669.51
  4. Step 4: Simplify right side
    2,056.37x = 2,064,896.05
  5. Step 5: Solve for x
    x = 2,064,896.05/2,056.37
  6. Step 6: Final answer
    x = 1,004.15

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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.