Home / 3,347.76-4,619.97-1,855.74

Finding the Fourth Proportional to 3,347.76, 4,619.97 and 1,855.74

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Solution

The fourth proportional to 3,347.76, 4,619.97 and 1,855.74 is: 2,560.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,347.76 : 4,619.97 = 1,855.74 : x
  2. Step 2: Convert to fraction form
    3,347.76/4,619.97 = 1,855.74/x
  3. Step 3: Cross multiply
    3,347.76x = 4,619.97 × 1,855.74
  4. Step 4: Simplify right side
    3,347.76x = 8,573,480.45
  5. Step 5: Solve for x
    x = 8,573,480.45/3,347.76
  6. Step 6: Final answer
    x = 2,560.96

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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.