Home / 1,819.64-2,509.98-1,322.84

Finding the Fourth Proportional to 1,819.64, 2,509.98 and 1,322.84

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Solution

The fourth proportional to 1,819.64, 2,509.98 and 1,322.84 is: 1,824.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,819.64 : 2,509.98 = 1,322.84 : x
  2. Step 2: Convert to fraction form
    1,819.64/2,509.98 = 1,322.84/x
  3. Step 3: Cross multiply
    1,819.64x = 2,509.98 × 1,322.84
  4. Step 4: Simplify right side
    1,819.64x = 3,320,301.94
  5. Step 5: Solve for x
    x = 3,320,301.94/1,819.64
  6. Step 6: Final answer
    x = 1,824.70

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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.