Home / 2,446.64-3,376.95-1,399.31

Finding the Fourth Proportional to 2,446.64, 3,376.95 and 1,399.31

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Solution

The fourth proportional to 2,446.64, 3,376.95 and 1,399.31 is: 1,931.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,446.64 : 3,376.95 = 1,399.31 : x
  2. Step 2: Convert to fraction form
    2,446.64/3,376.95 = 1,399.31/x
  3. Step 3: Cross multiply
    2,446.64x = 3,376.95 × 1,399.31
  4. Step 4: Simplify right side
    2,446.64x = 4,725,399.90
  5. Step 5: Solve for x
    x = 4,725,399.90/2,446.64
  6. Step 6: Final answer
    x = 1,931.38

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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.