Home / 4,090.70-5,645.33-2,322.47

Finding the Fourth Proportional to 4,090.70, 5,645.33 and 2,322.47

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Solution

The fourth proportional to 4,090.70, 5,645.33 and 2,322.47 is: 3,205.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,090.70 : 5,645.33 = 2,322.47 : x
  2. Step 2: Convert to fraction form
    4,090.70/5,645.33 = 2,322.47/x
  3. Step 3: Cross multiply
    4,090.70x = 5,645.33 × 2,322.47
  4. Step 4: Simplify right side
    4,090.70x = 13,111,120.78
  5. Step 5: Solve for x
    x = 13,111,120.78/4,090.70
  6. Step 6: Final answer
    x = 3,205.10

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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.