Home / 2,858.12-3,944.40-1,599.29

Finding the Fourth Proportional to 2,858.12, 3,944.40 and 1,599.29

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Solution

The fourth proportional to 2,858.12, 3,944.40 and 1,599.29 is: 2,207.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,858.12 : 3,944.40 = 1,599.29 : x
  2. Step 2: Convert to fraction form
    2,858.12/3,944.40 = 1,599.29/x
  3. Step 3: Cross multiply
    2,858.12x = 3,944.40 × 1,599.29
  4. Step 4: Simplify right side
    2,858.12x = 6,308,239.48
  5. Step 5: Solve for x
    x = 6,308,239.48/2,858.12
  6. Step 6: Final answer
    x = 2,207.13

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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.