Home / 2,140.65-2,954.46-1,244.25

Finding the Fourth Proportional to 2,140.65, 2,954.46 and 1,244.25

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Solution

The fourth proportional to 2,140.65, 2,954.46 and 1,244.25 is: 1,717.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,140.65 : 2,954.46 = 1,244.25 : x
  2. Step 2: Convert to fraction form
    2,140.65/2,954.46 = 1,244.25/x
  3. Step 3: Cross multiply
    2,140.65x = 2,954.46 × 1,244.25
  4. Step 4: Simplify right side
    2,140.65x = 3,676,086.86
  5. Step 5: Solve for x
    x = 3,676,086.86/2,140.65
  6. Step 6: Final answer
    x = 1,717.28

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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.