Home / 3,090.54-4,636.77-1,242.06

Finding the Fourth Proportional to 3,090.54, 4,636.77 and 1,242.06

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Solution

The fourth proportional to 3,090.54, 4,636.77 and 1,242.06 is: 1,863.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,090.54 : 4,636.77 = 1,242.06 : x
  2. Step 2: Convert to fraction form
    3,090.54/4,636.77 = 1,242.06/x
  3. Step 3: Cross multiply
    3,090.54x = 4,636.77 × 1,242.06
  4. Step 4: Simplify right side
    3,090.54x = 5,759,146.55
  5. Step 5: Solve for x
    x = 5,759,146.55/3,090.54
  6. Step 6: Final answer
    x = 1,863.48

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.