Home / 4,120.02-5,683.07-2,703.80

Finding the Fourth Proportional to 4,120.02, 5,683.07 and 2,703.80

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Solution

The fourth proportional to 4,120.02, 5,683.07 and 2,703.80 is: 3,729.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,120.02 : 5,683.07 = 2,703.80 : x
  2. Step 2: Convert to fraction form
    4,120.02/5,683.07 = 2,703.80/x
  3. Step 3: Cross multiply
    4,120.02x = 5,683.07 × 2,703.80
  4. Step 4: Simplify right side
    4,120.02x = 15,365,884.67
  5. Step 5: Solve for x
    x = 15,365,884.67/4,120.02
  6. Step 6: Final answer
    x = 3,729.57

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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.