Home / 2,493.16-3,438.66-1,905.64

Finding the Fourth Proportional to 2,493.16, 3,438.66 and 1,905.64

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Solution

The fourth proportional to 2,493.16, 3,438.66 and 1,905.64 is: 2,628.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,493.16 : 3,438.66 = 1,905.64 : x
  2. Step 2: Convert to fraction form
    2,493.16/3,438.66 = 1,905.64/x
  3. Step 3: Cross multiply
    2,493.16x = 3,438.66 × 1,905.64
  4. Step 4: Simplify right side
    2,493.16x = 6,552,848.04
  5. Step 5: Solve for x
    x = 6,552,848.04/2,493.16
  6. Step 6: Final answer
    x = 2,628.33

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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.