Home / 2,333.53-3,220.02-1,338.79

Finding the Fourth Proportional to 2,333.53, 3,220.02 and 1,338.79

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Solution

The fourth proportional to 2,333.53, 3,220.02 and 1,338.79 is: 1,847.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,333.53 : 3,220.02 = 1,338.79 : x
  2. Step 2: Convert to fraction form
    2,333.53/3,220.02 = 1,338.79/x
  3. Step 3: Cross multiply
    2,333.53x = 3,220.02 × 1,338.79
  4. Step 4: Simplify right side
    2,333.53x = 4,310,914.48
  5. Step 5: Solve for x
    x = 4,310,914.48/2,333.53
  6. Step 6: Final answer
    x = 1,847.38

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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.