Home / 2,018.63-2,785.22-1,178.85

Finding the Fourth Proportional to 2,018.63, 2,785.22 and 1,178.85

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Solution

The fourth proportional to 2,018.63, 2,785.22 and 1,178.85 is: 1,626.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,018.63 : 2,785.22 = 1,178.85 : x
  2. Step 2: Convert to fraction form
    2,018.63/2,785.22 = 1,178.85/x
  3. Step 3: Cross multiply
    2,018.63x = 2,785.22 × 1,178.85
  4. Step 4: Simplify right side
    2,018.63x = 3,283,356.60
  5. Step 5: Solve for x
    x = 3,283,356.60/2,018.63
  6. Step 6: Final answer
    x = 1,626.53

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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.