Home / 3,494.05-4,821.67-2,077.74

Finding the Fourth Proportional to 3,494.05, 4,821.67 and 2,077.74

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Solution

The fourth proportional to 3,494.05, 4,821.67 and 2,077.74 is: 2,867.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,494.05 : 4,821.67 = 2,077.74 : x
  2. Step 2: Convert to fraction form
    3,494.05/4,821.67 = 2,077.74/x
  3. Step 3: Cross multiply
    3,494.05x = 4,821.67 × 2,077.74
  4. Step 4: Simplify right side
    3,494.05x = 10,018,176.63
  5. Step 5: Solve for x
    x = 10,018,176.63/3,494.05
  6. Step 6: Final answer
    x = 2,867.21

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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.