Home / 2,870.45-4,305.66-1,896.32

Finding the Fourth Proportional to 2,870.45, 4,305.66 and 1,896.32

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Solution

The fourth proportional to 2,870.45, 4,305.66 and 1,896.32 is: 2,844.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,870.45 : 4,305.66 = 1,896.32 : x
  2. Step 2: Convert to fraction form
    2,870.45/4,305.66 = 1,896.32/x
  3. Step 3: Cross multiply
    2,870.45x = 4,305.66 × 1,896.32
  4. Step 4: Simplify right side
    2,870.45x = 8,164,887.64
  5. Step 5: Solve for x
    x = 8,164,887.64/2,870.45
  6. Step 6: Final answer
    x = 2,844.47

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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.