Home / 3,018.08-4,535.68-1,785.72

Finding the Fourth Proportional to 3,018.08, 4,535.68 and 1,785.72

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Solution

The fourth proportional to 3,018.08, 4,535.68 and 1,785.72 is: 2,683.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,018.08 : 4,535.68 = 1,785.72 : x
  2. Step 2: Convert to fraction form
    3,018.08/4,535.68 = 1,785.72/x
  3. Step 3: Cross multiply
    3,018.08x = 4,535.68 × 1,785.72
  4. Step 4: Simplify right side
    3,018.08x = 8,099,454.49
  5. Step 5: Solve for x
    x = 8,099,454.49/3,018.08
  6. Step 6: Final answer
    x = 2,683.64

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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.