Home / 3,783.09-5,219.46-2,290.53

Finding the Fourth Proportional to 3,783.09, 5,219.46 and 2,290.53

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Solution

The fourth proportional to 3,783.09, 5,219.46 and 2,290.53 is: 3,160.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,783.09 : 5,219.46 = 2,290.53 : x
  2. Step 2: Convert to fraction form
    3,783.09/5,219.46 = 2,290.53/x
  3. Step 3: Cross multiply
    3,783.09x = 5,219.46 × 2,290.53
  4. Step 4: Simplify right side
    3,783.09x = 11,955,329.71
  5. Step 5: Solve for x
    x = 11,955,329.71/3,783.09
  6. Step 6: Final answer
    x = 3,160.20

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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.