Home / 2,462.19-3,397.69-1,399.81

Finding the Fourth Proportional to 2,462.19, 3,397.69 and 1,399.81

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Solution

The fourth proportional to 2,462.19, 3,397.69 and 1,399.81 is: 1,931.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,462.19 : 3,397.69 = 1,399.81 : x
  2. Step 2: Convert to fraction form
    2,462.19/3,397.69 = 1,399.81/x
  3. Step 3: Cross multiply
    2,462.19x = 3,397.69 × 1,399.81
  4. Step 4: Simplify right side
    2,462.19x = 4,756,108.45
  5. Step 5: Solve for x
    x = 4,756,108.45/2,462.19
  6. Step 6: Final answer
    x = 1,931.66

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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.