Home / 2,927.52-4,042.44-2,090.79

Finding the Fourth Proportional to 2,927.52, 4,042.44 and 2,090.79

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Solution

The fourth proportional to 2,927.52, 4,042.44 and 2,090.79 is: 2,887.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,927.52 : 4,042.44 = 2,090.79 : x
  2. Step 2: Convert to fraction form
    2,927.52/4,042.44 = 2,090.79/x
  3. Step 3: Cross multiply
    2,927.52x = 4,042.44 × 2,090.79
  4. Step 4: Simplify right side
    2,927.52x = 8,451,893.13
  5. Step 5: Solve for x
    x = 8,451,893.13/2,927.52
  6. Step 6: Final answer
    x = 2,887.05

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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.