Home / 2,785.95-3,844.94-1,607.06

Finding the Fourth Proportional to 2,785.95, 3,844.94 and 1,607.06

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Solution

The fourth proportional to 2,785.95, 3,844.94 and 1,607.06 is: 2,217.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,785.95 : 3,844.94 = 1,607.06 : x
  2. Step 2: Convert to fraction form
    2,785.95/3,844.94 = 1,607.06/x
  3. Step 3: Cross multiply
    2,785.95x = 3,844.94 × 1,607.06
  4. Step 4: Simplify right side
    2,785.95x = 6,179,050.85
  5. Step 5: Solve for x
    x = 6,179,050.85/2,785.95
  6. Step 6: Final answer
    x = 2,217.93

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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.