Home / 2,816.94-3,887.34-1,558.02

Finding the Fourth Proportional to 2,816.94, 3,887.34 and 1,558.02

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Solution

The fourth proportional to 2,816.94, 3,887.34 and 1,558.02 is: 2,150.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,816.94 : 3,887.34 = 1,558.02 : x
  2. Step 2: Convert to fraction form
    2,816.94/3,887.34 = 1,558.02/x
  3. Step 3: Cross multiply
    2,816.94x = 3,887.34 × 1,558.02
  4. Step 4: Simplify right side
    2,816.94x = 6,056,553.47
  5. Step 5: Solve for x
    x = 6,056,553.47/2,816.94
  6. Step 6: Final answer
    x = 2,150.05

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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.