Home / 3,068.05-4,233.90-1,670.80

Finding the Fourth Proportional to 3,068.05, 4,233.90 and 1,670.80

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Solution

The fourth proportional to 3,068.05, 4,233.90 and 1,670.80 is: 2,305.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,068.05 : 4,233.90 = 1,670.80 : x
  2. Step 2: Convert to fraction form
    3,068.05/4,233.90 = 1,670.80/x
  3. Step 3: Cross multiply
    3,068.05x = 4,233.90 × 1,670.80
  4. Step 4: Simplify right side
    3,068.05x = 7,074,000.12
  5. Step 5: Solve for x
    x = 7,074,000.12/3,068.05
  6. Step 6: Final answer
    x = 2,305.70

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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.