Home / 1,921.52-2,634.70-1,734.32

Finding the Fourth Proportional to 1,921.52, 2,634.70 and 1,734.32

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Solution

The fourth proportional to 1,921.52, 2,634.70 and 1,734.32 is: 2,378.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,921.52 : 2,634.70 = 1,734.32 : x
  2. Step 2: Convert to fraction form
    1,921.52/2,634.70 = 1,734.32/x
  3. Step 3: Cross multiply
    1,921.52x = 2,634.70 × 1,734.32
  4. Step 4: Simplify right side
    1,921.52x = 4,569,412.90
  5. Step 5: Solve for x
    x = 4,569,412.90/1,921.52
  6. Step 6: Final answer
    x = 2,378.02

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.