Home / 3,421.66-4,724.57-2,677.74

Finding the Fourth Proportional to 3,421.66, 4,724.57 and 2,677.74

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Solution

The fourth proportional to 3,421.66, 4,724.57 and 2,677.74 is: 3,697.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,421.66 : 4,724.57 = 2,677.74 : x
  2. Step 2: Convert to fraction form
    3,421.66/4,724.57 = 2,677.74/x
  3. Step 3: Cross multiply
    3,421.66x = 4,724.57 × 2,677.74
  4. Step 4: Simplify right side
    3,421.66x = 12,651,156.68
  5. Step 5: Solve for x
    x = 12,651,156.68/3,421.66
  6. Step 6: Final answer
    x = 3,697.37

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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.