Home / 2,462.21-3,397.69-1,399.85

Finding the Fourth Proportional to 2,462.21, 3,397.69 and 1,399.85

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Solution

The fourth proportional to 2,462.21, 3,397.69 and 1,399.85 is: 1,931.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,462.21 : 3,397.69 = 1,399.85 : x
  2. Step 2: Convert to fraction form
    2,462.21/3,397.69 = 1,399.85/x
  3. Step 3: Cross multiply
    2,462.21x = 3,397.69 × 1,399.85
  4. Step 4: Simplify right side
    2,462.21x = 4,756,256.35
  5. Step 5: Solve for x
    x = 4,756,256.35/2,462.21
  6. Step 6: Final answer
    x = 1,931.70

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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.