Home / 3,389.58-5,084.01-1,540.14

Finding the Fourth Proportional to 3,389.58, 5,084.01 and 1,540.14

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Solution

The fourth proportional to 3,389.58, 5,084.01 and 1,540.14 is: 2,310.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,389.58 : 5,084.01 = 1,540.14 : x
  2. Step 2: Convert to fraction form
    3,389.58/5,084.01 = 1,540.14/x
  3. Step 3: Cross multiply
    3,389.58x = 5,084.01 × 1,540.14
  4. Step 4: Simplify right side
    3,389.58x = 7,830,087.16
  5. Step 5: Solve for x
    x = 7,830,087.16/3,389.58
  6. Step 6: Final answer
    x = 2,310.05

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1.5x scale

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.