Home / 2,794.32-4,190.87-1,407.24

Finding the Fourth Proportional to 2,794.32, 4,190.87 and 1,407.24

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Solution

The fourth proportional to 2,794.32, 4,190.87 and 1,407.24 is: 2,110.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,794.32 : 4,190.87 = 1,407.24 : x
  2. Step 2: Convert to fraction form
    2,794.32/4,190.87 = 1,407.24/x
  3. Step 3: Cross multiply
    2,794.32x = 4,190.87 × 1,407.24
  4. Step 4: Simplify right side
    2,794.32x = 5,897,552.86
  5. Step 5: Solve for x
    x = 5,897,552.86/2,794.32
  6. Step 6: Final answer
    x = 2,110.55

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.