Home / 2,990.02-4,475.76-2,734.86

Finding the Fourth Proportional to 2,990.02, 4,475.76 and 2,734.86

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Solution

The fourth proportional to 2,990.02, 4,475.76 and 2,734.86 is: 4,093.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,990.02 : 4,475.76 = 2,734.86 : x
  2. Step 2: Convert to fraction form
    2,990.02/4,475.76 = 2,734.86/x
  3. Step 3: Cross multiply
    2,990.02x = 4,475.76 × 2,734.86
  4. Step 4: Simplify right side
    2,990.02x = 12,240,576.99
  5. Step 5: Solve for x
    x = 12,240,576.99/2,990.02
  6. Step 6: Final answer
    x = 4,093.81

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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.