Home / 2,958.14-4,081.68-1,779.23

Finding the Fourth Proportional to 2,958.14, 4,081.68 and 1,779.23

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Solution

The fourth proportional to 2,958.14, 4,081.68 and 1,779.23 is: 2,455.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,958.14 : 4,081.68 = 1,779.23 : x
  2. Step 2: Convert to fraction form
    2,958.14/4,081.68 = 1,779.23/x
  3. Step 3: Cross multiply
    2,958.14x = 4,081.68 × 1,779.23
  4. Step 4: Simplify right side
    2,958.14x = 7,262,227.10
  5. Step 5: Solve for x
    x = 7,262,227.10/2,958.14
  6. Step 6: Final answer
    x = 2,455.00

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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.