Home / 4,090.83-5,645.29-2,412.31

Finding the Fourth Proportional to 4,090.83, 5,645.29 and 2,412.31

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Solution

The fourth proportional to 4,090.83, 5,645.29 and 2,412.31 is: 3,328.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,090.83 : 5,645.29 = 2,412.31 : x
  2. Step 2: Convert to fraction form
    4,090.83/5,645.29 = 2,412.31/x
  3. Step 3: Cross multiply
    4,090.83x = 5,645.29 × 2,412.31
  4. Step 4: Simplify right side
    4,090.83x = 13,618,189.52
  5. Step 5: Solve for x
    x = 13,618,189.52/4,090.83
  6. Step 6: Final answer
    x = 3,328.96

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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.