Home / 1,693.31-2,534.63-1,074.87

Finding the Fourth Proportional to 1,693.31, 2,534.63 and 1,074.87

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Solution

The fourth proportional to 1,693.31, 2,534.63 and 1,074.87 is: 1,608.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,693.31 : 2,534.63 = 1,074.87 : x
  2. Step 2: Convert to fraction form
    1,693.31/2,534.63 = 1,074.87/x
  3. Step 3: Cross multiply
    1,693.31x = 2,534.63 × 1,074.87
  4. Step 4: Simplify right side
    1,693.31x = 2,724,392.37
  5. Step 5: Solve for x
    x = 2,724,392.37/1,693.31
  6. Step 6: Final answer
    x = 1,608.92

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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.