Home / 2,887.16-3,984.00-1,628.41

Finding the Fourth Proportional to 2,887.16, 3,984.00 and 1,628.41

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Solution

The fourth proportional to 2,887.16, 3,984.00 and 1,628.41 is: 2,247.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,887.16 : 3,984.00 = 1,628.41 : x
  2. Step 2: Convert to fraction form
    2,887.16/3,984.00 = 1,628.41/x
  3. Step 3: Cross multiply
    2,887.16x = 3,984.00 × 1,628.41
  4. Step 4: Simplify right side
    2,887.16x = 6,487,581.37
  5. Step 5: Solve for x
    x = 6,487,581.37/2,887.16
  6. Step 6: Final answer
    x = 2,247.05

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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.