Home / 1,938.60-2,904.48-1,694.52

Finding the Fourth Proportional to 1,938.60, 2,904.48 and 1,694.52

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Solution

The fourth proportional to 1,938.60, 2,904.48 and 1,694.52 is: 2,538.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,938.60 : 2,904.48 = 1,694.52 : x
  2. Step 2: Convert to fraction form
    1,938.60/2,904.48 = 1,694.52/x
  3. Step 3: Cross multiply
    1,938.60x = 2,904.48 × 1,694.52
  4. Step 4: Simplify right side
    1,938.60x = 4,921,699.45
  5. Step 5: Solve for x
    x = 4,921,699.45/1,938.60
  6. Step 6: Final answer
    x = 2,538.79

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.