Home / 3,068.16-4,234.11-1,670.91

Finding the Fourth Proportional to 3,068.16, 4,234.11 and 1,670.91

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Solution

The fourth proportional to 3,068.16, 4,234.11 and 1,670.91 is: 2,305.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,068.16 : 4,234.11 = 1,670.91 : x
  2. Step 2: Convert to fraction form
    3,068.16/4,234.11 = 1,670.91/x
  3. Step 3: Cross multiply
    3,068.16x = 4,234.11 × 1,670.91
  4. Step 4: Simplify right side
    3,068.16x = 7,074,816.74
  5. Step 5: Solve for x
    x = 7,074,816.74/3,068.16
  6. Step 6: Final answer
    x = 2,305.88

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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.