Home / 3,068.21-4,232.99-1,808.49

Finding the Fourth Proportional to 3,068.21, 4,232.99 and 1,808.49

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Solution

The fourth proportional to 3,068.21, 4,232.99 and 1,808.49 is: 2,495.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,068.21 : 4,232.99 = 1,808.49 : x
  2. Step 2: Convert to fraction form
    3,068.21/4,232.99 = 1,808.49/x
  3. Step 3: Cross multiply
    3,068.21x = 4,232.99 × 1,808.49
  4. Step 4: Simplify right side
    3,068.21x = 7,655,311.04
  5. Step 5: Solve for x
    x = 7,655,311.04/3,068.21
  6. Step 6: Final answer
    x = 2,495.05

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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.