Home / 2,125.63-2,933.76-1,229.91

Finding the Fourth Proportional to 2,125.63, 2,933.76 and 1,229.91

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Solution

The fourth proportional to 2,125.63, 2,933.76 and 1,229.91 is: 1,697.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,125.63 : 2,933.76 = 1,229.91 : x
  2. Step 2: Convert to fraction form
    2,125.63/2,933.76 = 1,229.91/x
  3. Step 3: Cross multiply
    2,125.63x = 2,933.76 × 1,229.91
  4. Step 4: Simplify right side
    2,125.63x = 3,608,260.76
  5. Step 5: Solve for x
    x = 3,608,260.76/2,125.63
  6. Step 6: Final answer
    x = 1,697.50

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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.