Home / 2,140.37-2,954.09-1,244.23

Finding the Fourth Proportional to 2,140.37, 2,954.09 and 1,244.23

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Solution

The fourth proportional to 2,140.37, 2,954.09 and 1,244.23 is: 1,717.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,140.37 : 2,954.09 = 1,244.23 : x
  2. Step 2: Convert to fraction form
    2,140.37/2,954.09 = 1,244.23/x
  3. Step 3: Cross multiply
    2,140.37x = 2,954.09 × 1,244.23
  4. Step 4: Simplify right side
    2,140.37x = 3,675,563.13
  5. Step 5: Solve for x
    x = 3,675,563.13/2,140.37
  6. Step 6: Final answer
    x = 1,717.26

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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.