Home / 3,070.06-4,234.92-1,890.31

Finding the Fourth Proportional to 3,070.06, 4,234.92 and 1,890.31

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Solution

The fourth proportional to 3,070.06, 4,234.92 and 1,890.31 is: 2,607.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,070.06 : 4,234.92 = 1,890.31 : x
  2. Step 2: Convert to fraction form
    3,070.06/4,234.92 = 1,890.31/x
  3. Step 3: Cross multiply
    3,070.06x = 4,234.92 × 1,890.31
  4. Step 4: Simplify right side
    3,070.06x = 8,005,311.63
  5. Step 5: Solve for x
    x = 8,005,311.63/3,070.06
  6. Step 6: Final answer
    x = 2,607.54

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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.