Home / 3,185.08-4,776.09-1,335.70

Finding the Fourth Proportional to 3,185.08, 4,776.09 and 1,335.70

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Solution

The fourth proportional to 3,185.08, 4,776.09 and 1,335.70 is: 2,002.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,185.08 : 4,776.09 = 1,335.70 : x
  2. Step 2: Convert to fraction form
    3,185.08/4,776.09 = 1,335.70/x
  3. Step 3: Cross multiply
    3,185.08x = 4,776.09 × 1,335.70
  4. Step 4: Simplify right side
    3,185.08x = 6,379,423.41
  5. Step 5: Solve for x
    x = 6,379,423.41/3,185.08
  6. Step 6: Final answer
    x = 2,002.91

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.