Home / 3,348.30-4,620.90-1,856.35

Finding the Fourth Proportional to 3,348.30, 4,620.90 and 1,856.35

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Solution

The fourth proportional to 3,348.30, 4,620.90 and 1,856.35 is: 2,561.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,348.30 : 4,620.90 = 1,856.35 : x
  2. Step 2: Convert to fraction form
    3,348.30/4,620.90 = 1,856.35/x
  3. Step 3: Cross multiply
    3,348.30x = 4,620.90 × 1,856.35
  4. Step 4: Simplify right side
    3,348.30x = 8,578,007.72
  5. Step 5: Solve for x
    x = 8,578,007.72/3,348.30
  6. Step 6: Final answer
    x = 2,561.90

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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.