Home / 3,348.50-4,620.94-1,856.48

Finding the Fourth Proportional to 3,348.50, 4,620.94 and 1,856.48

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Solution

The fourth proportional to 3,348.50, 4,620.94 and 1,856.48 is: 2,561.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,348.50 : 4,620.94 = 1,856.48 : x
  2. Step 2: Convert to fraction form
    3,348.50/4,620.94 = 1,856.48/x
  3. Step 3: Cross multiply
    3,348.50x = 4,620.94 × 1,856.48
  4. Step 4: Simplify right side
    3,348.50x = 8,578,682.69
  5. Step 5: Solve for x
    x = 8,578,682.69/3,348.50
  6. Step 6: Final answer
    x = 2,561.95

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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.