Home / 2,284.34-3,152.42-1,289.64

Finding the Fourth Proportional to 2,284.34, 3,152.42 and 1,289.64

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Solution

The fourth proportional to 2,284.34, 3,152.42 and 1,289.64 is: 1,779.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,284.34 : 3,152.42 = 1,289.64 : x
  2. Step 2: Convert to fraction form
    2,284.34/3,152.42 = 1,289.64/x
  3. Step 3: Cross multiply
    2,284.34x = 3,152.42 × 1,289.64
  4. Step 4: Simplify right side
    2,284.34x = 4,065,486.93
  5. Step 5: Solve for x
    x = 4,065,486.93/2,284.34
  6. Step 6: Final answer
    x = 1,779.72

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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.