Home / 1,930.84-2,664.55-1,046.64

Finding the Fourth Proportional to 1,930.84, 2,664.55 and 1,046.64

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Solution

The fourth proportional to 1,930.84, 2,664.55 and 1,046.64 is: 1,444.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,930.84 : 2,664.55 = 1,046.64 : x
  2. Step 2: Convert to fraction form
    1,930.84/2,664.55 = 1,046.64/x
  3. Step 3: Cross multiply
    1,930.84x = 2,664.55 × 1,046.64
  4. Step 4: Simplify right side
    1,930.84x = 2,788,824.61
  5. Step 5: Solve for x
    x = 2,788,824.61/1,930.84
  6. Step 6: Final answer
    x = 1,444.36

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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.