Home / 2,284.38-3,152.26-1,289.74

Finding the Fourth Proportional to 2,284.38, 3,152.26 and 1,289.74

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Solution

The fourth proportional to 2,284.38, 3,152.26 and 1,289.74 is: 1,779.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,284.38 : 3,152.26 = 1,289.74 : x
  2. Step 2: Convert to fraction form
    2,284.38/3,152.26 = 1,289.74/x
  3. Step 3: Cross multiply
    2,284.38x = 3,152.26 × 1,289.74
  4. Step 4: Simplify right side
    2,284.38x = 4,065,595.81
  5. Step 5: Solve for x
    x = 4,065,595.81/2,284.38
  6. Step 6: Final answer
    x = 1,779.74

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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.