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Finding the Fourth Proportional to 2,597.08, 3,888.42 and 2,021.08

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Solution

The fourth proportional to 2,597.08, 3,888.42 and 2,021.08 is: 3,026.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,597.08 : 3,888.42 = 2,021.08 : x
  2. Step 2: Convert to fraction form
    2,597.08/3,888.42 = 2,021.08/x
  3. Step 3: Cross multiply
    2,597.08x = 3,888.42 × 2,021.08
  4. Step 4: Simplify right side
    2,597.08x = 7,858,807.89
  5. Step 5: Solve for x
    x = 7,858,807.89/2,597.08
  6. Step 6: Final answer
    x = 3,026.02

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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.