Home / 3,345.96-5,015.37-1,785

Finding the Fourth Proportional to 3,345.96, 5,015.37 and 1,785

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Solution

The fourth proportional to 3,345.96, 5,015.37 and 1,785 is: 2,675.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,345.96 : 5,015.37 = 1,785 : x
  2. Step 2: Convert to fraction form
    3,345.96/5,015.37 = 1,785/x
  3. Step 3: Cross multiply
    3,345.96x = 5,015.37 × 1,785
  4. Step 4: Simplify right side
    3,345.96x = 8,952,435.45
  5. Step 5: Solve for x
    x = 8,952,435.45/3,345.96
  6. Step 6: Final answer
    x = 2,675.60

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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.