Home / 2,931.21-4,398.44-1,633.41

Finding the Fourth Proportional to 2,931.21, 4,398.44 and 1,633.41

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Solution

The fourth proportional to 2,931.21, 4,398.44 and 1,633.41 is: 2,451.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,931.21 : 4,398.44 = 1,633.41 : x
  2. Step 2: Convert to fraction form
    2,931.21/4,398.44 = 1,633.41/x
  3. Step 3: Cross multiply
    2,931.21x = 4,398.44 × 1,633.41
  4. Step 4: Simplify right side
    2,931.21x = 7,184,447.71
  5. Step 5: Solve for x
    x = 7,184,447.71/2,931.21
  6. Step 6: Final answer
    x = 2,451.02

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.