Home / 2,465.40-3,698.61-822.07

Finding the Fourth Proportional to 2,465.40, 3,698.61 and 822.07

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Solution

The fourth proportional to 2,465.40, 3,698.61 and 822.07 is: 1,233.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,465.40 : 3,698.61 = 822.07 : x
  2. Step 2: Convert to fraction form
    2,465.40/3,698.61 = 822.07/x
  3. Step 3: Cross multiply
    2,465.40x = 3,698.61 × 822.07
  4. Step 4: Simplify right side
    2,465.40x = 3,040,516.32
  5. Step 5: Solve for x
    x = 3,040,516.32/2,465.40
  6. Step 6: Final answer
    x = 1,233.28

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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.