Home / 3,114.45-4,650.01-2,803.41

Finding the Fourth Proportional to 3,114.45, 4,650.01 and 2,803.41

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Solution

The fourth proportional to 3,114.45, 4,650.01 and 2,803.41 is: 4,185.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,114.45 : 4,650.01 = 2,803.41 : x
  2. Step 2: Convert to fraction form
    3,114.45/4,650.01 = 2,803.41/x
  3. Step 3: Cross multiply
    3,114.45x = 4,650.01 × 2,803.41
  4. Step 4: Simplify right side
    3,114.45x = 13,035,877.53
  5. Step 5: Solve for x
    x = 13,035,877.53/3,114.45
  6. Step 6: Final answer
    x = 4,185.61

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.