Home / 3,355.90-4,630.93-1,863.74

Finding the Fourth Proportional to 3,355.90, 4,630.93 and 1,863.74

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Solution

The fourth proportional to 3,355.90, 4,630.93 and 1,863.74 is: 2,571.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,355.90 : 4,630.93 = 1,863.74 : x
  2. Step 2: Convert to fraction form
    3,355.90/4,630.93 = 1,863.74/x
  3. Step 3: Cross multiply
    3,355.90x = 4,630.93 × 1,863.74
  4. Step 4: Simplify right side
    3,355.90x = 8,630,856.40
  5. Step 5: Solve for x
    x = 8,630,856.40/3,355.90
  6. Step 6: Final answer
    x = 2,571.85

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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.