Home / 3,068.40-4,234.35-1,671.15

Finding the Fourth Proportional to 3,068.40, 4,234.35 and 1,671.15

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Solution

The fourth proportional to 3,068.40, 4,234.35 and 1,671.15 is: 2,306.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,068.40 : 4,234.35 = 1,671.15 : x
  2. Step 2: Convert to fraction form
    3,068.40/4,234.35 = 1,671.15/x
  3. Step 3: Cross multiply
    3,068.40x = 4,234.35 × 1,671.15
  4. Step 4: Simplify right side
    3,068.40x = 7,076,234.00
  5. Step 5: Solve for x
    x = 7,076,234.00/3,068.40
  6. Step 6: Final answer
    x = 2,306.16

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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.