Home / 2,988.01-4,123.29-1,694.54

Finding the Fourth Proportional to 2,988.01, 4,123.29 and 1,694.54

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Solution

The fourth proportional to 2,988.01, 4,123.29 and 1,694.54 is: 2,338.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,988.01 : 4,123.29 = 1,694.54 : x
  2. Step 2: Convert to fraction form
    2,988.01/4,123.29 = 1,694.54/x
  3. Step 3: Cross multiply
    2,988.01x = 4,123.29 × 1,694.54
  4. Step 4: Simplify right side
    2,988.01x = 6,987,096.50
  5. Step 5: Solve for x
    x = 6,987,096.50/2,988.01
  6. Step 6: Final answer
    x = 2,338.38

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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.