Home / 3,090.48-4,254.69-2,676.18

Finding the Fourth Proportional to 3,090.48, 4,254.69 and 2,676.18

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Solution

The fourth proportional to 3,090.48, 4,254.69 and 2,676.18 is: 3,684.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,090.48 : 4,254.69 = 2,676.18 : x
  2. Step 2: Convert to fraction form
    3,090.48/4,254.69 = 2,676.18/x
  3. Step 3: Cross multiply
    3,090.48x = 4,254.69 × 2,676.18
  4. Step 4: Simplify right side
    3,090.48x = 11,386,316.28
  5. Step 5: Solve for x
    x = 11,386,316.28/3,090.48
  6. Step 6: Final answer
    x = 3,684.32

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Half scale
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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.