Home / 1,879.32-2,594.62-1,282.52

Finding the Fourth Proportional to 1,879.32, 2,594.62 and 1,282.52

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Solution

The fourth proportional to 1,879.32, 2,594.62 and 1,282.52 is: 1,770.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,879.32 : 2,594.62 = 1,282.52 : x
  2. Step 2: Convert to fraction form
    1,879.32/2,594.62 = 1,282.52/x
  3. Step 3: Cross multiply
    1,879.32x = 2,594.62 × 1,282.52
  4. Step 4: Simplify right side
    1,879.32x = 3,327,652.04
  5. Step 5: Solve for x
    x = 3,327,652.04/1,879.32
  6. Step 6: Final answer
    x = 1,770.67

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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.