Home / 2,647.24-3,653.46-1,599.40

Finding the Fourth Proportional to 2,647.24, 3,653.46 and 1,599.40

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Solution

The fourth proportional to 2,647.24, 3,653.46 and 1,599.40 is: 2,207.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,647.24 : 3,653.46 = 1,599.40 : x
  2. Step 2: Convert to fraction form
    2,647.24/3,653.46 = 1,599.40/x
  3. Step 3: Cross multiply
    2,647.24x = 3,653.46 × 1,599.40
  4. Step 4: Simplify right side
    2,647.24x = 5,843,343.92
  5. Step 5: Solve for x
    x = 5,843,343.92/2,647.24
  6. Step 6: Final answer
    x = 2,207.33

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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.