Home / 2,677.06-4,015.57-1,785.70

Finding the Fourth Proportional to 2,677.06, 4,015.57 and 1,785.70

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Solution

The fourth proportional to 2,677.06, 4,015.57 and 1,785.70 is: 2,678.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,677.06 : 4,015.57 = 1,785.70 : x
  2. Step 2: Convert to fraction form
    2,677.06/4,015.57 = 1,785.70/x
  3. Step 3: Cross multiply
    2,677.06x = 4,015.57 × 1,785.70
  4. Step 4: Simplify right side
    2,677.06x = 7,170,607.25
  5. Step 5: Solve for x
    x = 7,170,607.25/2,677.06
  6. Step 6: Final answer
    x = 2,678.54

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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.