Home / 3,318.02-4,578.63-1,825.64

Finding the Fourth Proportional to 3,318.02, 4,578.63 and 1,825.64

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Solution

The fourth proportional to 3,318.02, 4,578.63 and 1,825.64 is: 2,519.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,318.02 : 4,578.63 = 1,825.64 : x
  2. Step 2: Convert to fraction form
    3,318.02/4,578.63 = 1,825.64/x
  3. Step 3: Cross multiply
    3,318.02x = 4,578.63 × 1,825.64
  4. Step 4: Simplify right side
    3,318.02x = 8,358,907.18
  5. Step 5: Solve for x
    x = 8,358,907.18/3,318.02
  6. Step 6: Final answer
    x = 2,519.25

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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.