Home / 4,090.06-5,642.20-2,674.58

Finding the Fourth Proportional to 4,090.06, 5,642.20 and 2,674.58

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Solution

The fourth proportional to 4,090.06, 5,642.20 and 2,674.58 is: 3,689.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,090.06 : 5,642.20 = 2,674.58 : x
  2. Step 2: Convert to fraction form
    4,090.06/5,642.20 = 2,674.58/x
  3. Step 3: Cross multiply
    4,090.06x = 5,642.20 × 2,674.58
  4. Step 4: Simplify right side
    4,090.06x = 15,090,515.28
  5. Step 5: Solve for x
    x = 15,090,515.28/4,090.06
  6. Step 6: Final answer
    x = 3,689.56

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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.