Home / 3,081.81-4,253.34-1,755.64

Finding the Fourth Proportional to 3,081.81, 4,253.34 and 1,755.64

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Solution

The fourth proportional to 3,081.81, 4,253.34 and 1,755.64 is: 2,423.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,081.81 : 4,253.34 = 1,755.64 : x
  2. Step 2: Convert to fraction form
    3,081.81/4,253.34 = 1,755.64/x
  3. Step 3: Cross multiply
    3,081.81x = 4,253.34 × 1,755.64
  4. Step 4: Simplify right side
    3,081.81x = 7,467,303.79
  5. Step 5: Solve for x
    x = 7,467,303.79/3,081.81
  6. Step 6: Final answer
    x = 2,423.03

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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.