Home / 3,396.51-4,686.48-2,278.87

Finding the Fourth Proportional to 3,396.51, 4,686.48 and 2,278.87

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Solution

The fourth proportional to 3,396.51, 4,686.48 and 2,278.87 is: 3,144.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,396.51 : 4,686.48 = 2,278.87 : x
  2. Step 2: Convert to fraction form
    3,396.51/4,686.48 = 2,278.87/x
  3. Step 3: Cross multiply
    3,396.51x = 4,686.48 × 2,278.87
  4. Step 4: Simplify right side
    3,396.51x = 10,679,866.96
  5. Step 5: Solve for x
    x = 10,679,866.96/3,396.51
  6. Step 6: Final answer
    x = 3,144.36

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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.