Home / 1,734.06-2,391.42-1,356

Finding the Fourth Proportional to 1,734.06, 2,391.42 and 1,356

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Solution

The fourth proportional to 1,734.06, 2,391.42 and 1,356 is: 1,870.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,734.06 : 2,391.42 = 1,356 : x
  2. Step 2: Convert to fraction form
    1,734.06/2,391.42 = 1,356/x
  3. Step 3: Cross multiply
    1,734.06x = 2,391.42 × 1,356
  4. Step 4: Simplify right side
    1,734.06x = 3,242,765.52
  5. Step 5: Solve for x
    x = 3,242,765.52/1,734.06
  6. Step 6: Final answer
    x = 1,870.04

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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.