Home / 3,090.36-4,636.26-1,792.92

Finding the Fourth Proportional to 3,090.36, 4,636.26 and 1,792.92

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Solution

The fourth proportional to 3,090.36, 4,636.26 and 1,792.92 is: 2,689.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,090.36 : 4,636.26 = 1,792.92 : x
  2. Step 2: Convert to fraction form
    3,090.36/4,636.26 = 1,792.92/x
  3. Step 3: Cross multiply
    3,090.36x = 4,636.26 × 1,792.92
  4. Step 4: Simplify right side
    3,090.36x = 8,312,443.28
  5. Step 5: Solve for x
    x = 8,312,443.28/3,090.36
  6. Step 6: Final answer
    x = 2,689.80

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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.