Home / 2,284.22-3,152.14-1,289.38

Finding the Fourth Proportional to 2,284.22, 3,152.14 and 1,289.38

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Solution

The fourth proportional to 2,284.22, 3,152.14 and 1,289.38 is: 1,779.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,284.22 : 3,152.14 = 1,289.38 : x
  2. Step 2: Convert to fraction form
    2,284.22/3,152.14 = 1,289.38/x
  3. Step 3: Cross multiply
    2,284.22x = 3,152.14 × 1,289.38
  4. Step 4: Simplify right side
    2,284.22x = 4,064,306.27
  5. Step 5: Solve for x
    x = 4,064,306.27/2,284.22
  6. Step 6: Final answer
    x = 1,779.30

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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.