Home / 3,679.32-5,073.93-2,421.24

Finding the Fourth Proportional to 3,679.32, 5,073.93 and 2,421.24

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Solution

The fourth proportional to 3,679.32, 5,073.93 and 2,421.24 is: 3,338.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,679.32 : 5,073.93 = 2,421.24 : x
  2. Step 2: Convert to fraction form
    3,679.32/5,073.93 = 2,421.24/x
  3. Step 3: Cross multiply
    3,679.32x = 5,073.93 × 2,421.24
  4. Step 4: Simplify right side
    3,679.32x = 12,285,202.27
  5. Step 5: Solve for x
    x = 12,285,202.27/3,679.32
  6. Step 6: Final answer
    x = 3,338.99

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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.