Home / 2,690.00-3,712.36-1,792.19

Finding the Fourth Proportional to 2,690.00, 3,712.36 and 1,792.19

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Solution

The fourth proportional to 2,690.00, 3,712.36 and 1,792.19 is: 2,473.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,690.00 : 3,712.36 = 1,792.19 : x
  2. Step 2: Convert to fraction form
    2,690.00/3,712.36 = 1,792.19/x
  3. Step 3: Cross multiply
    2,690.00x = 3,712.36 × 1,792.19
  4. Step 4: Simplify right side
    2,690.00x = 6,653,231.43
  5. Step 5: Solve for x
    x = 6,653,231.43/2,690.00
  6. Step 6: Final answer
    x = 2,473.32

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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.