Home / 2,883.90-3,979.62-1,705.08

Finding the Fourth Proportional to 2,883.90, 3,979.62 and 1,705.08

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Solution

The fourth proportional to 2,883.90, 3,979.62 and 1,705.08 is: 2,352.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,883.90 : 3,979.62 = 1,705.08 : x
  2. Step 2: Convert to fraction form
    2,883.90/3,979.62 = 1,705.08/x
  3. Step 3: Cross multiply
    2,883.90x = 3,979.62 × 1,705.08
  4. Step 4: Simplify right side
    2,883.90x = 6,785,570.47
  5. Step 5: Solve for x
    x = 6,785,570.47/2,883.90
  6. Step 6: Final answer
    x = 2,352.91

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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.