Home / 3,691.48-5,094.36-2,012.98

Finding the Fourth Proportional to 3,691.48, 5,094.36 and 2,012.98

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Solution

The fourth proportional to 3,691.48, 5,094.36 and 2,012.98 is: 2,777.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,691.48 : 5,094.36 = 2,012.98 : x
  2. Step 2: Convert to fraction form
    3,691.48/5,094.36 = 2,012.98/x
  3. Step 3: Cross multiply
    3,691.48x = 5,094.36 × 2,012.98
  4. Step 4: Simplify right side
    3,691.48x = 10,254,844.79
  5. Step 5: Solve for x
    x = 10,254,844.79/3,691.48
  6. Step 6: Final answer
    x = 2,777.98

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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.