Home / 3,102.15-4,653.95-1,022.16

Finding the Fourth Proportional to 3,102.15, 4,653.95 and 1,022.16

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Solution

The fourth proportional to 3,102.15, 4,653.95 and 1,022.16 is: 1,533.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,102.15 : 4,653.95 = 1,022.16 : x
  2. Step 2: Convert to fraction form
    3,102.15/4,653.95 = 1,022.16/x
  3. Step 3: Cross multiply
    3,102.15x = 4,653.95 × 1,022.16
  4. Step 4: Simplify right side
    3,102.15x = 4,757,081.53
  5. Step 5: Solve for x
    x = 4,757,081.53/3,102.15
  6. Step 6: Final answer
    x = 1,533.48

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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.