Home / 2,598.12-3,890.14-1,729.64

Finding the Fourth Proportional to 2,598.12, 3,890.14 and 1,729.64

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Solution

The fourth proportional to 2,598.12, 3,890.14 and 1,729.64 is: 2,589.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,598.12 : 3,890.14 = 1,729.64 : x
  2. Step 2: Convert to fraction form
    2,598.12/3,890.14 = 1,729.64/x
  3. Step 3: Cross multiply
    2,598.12x = 3,890.14 × 1,729.64
  4. Step 4: Simplify right side
    2,598.12x = 6,728,541.75
  5. Step 5: Solve for x
    x = 6,728,541.75/2,598.12
  6. Step 6: Final answer
    x = 2,589.77

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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.