Home / 1,478.88-2,028.36-1,303.92

Finding the Fourth Proportional to 1,478.88, 2,028.36 and 1,303.92

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Solution

The fourth proportional to 1,478.88, 2,028.36 and 1,303.92 is: 1,788.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,478.88 : 2,028.36 = 1,303.92 : x
  2. Step 2: Convert to fraction form
    1,478.88/2,028.36 = 1,303.92/x
  3. Step 3: Cross multiply
    1,478.88x = 2,028.36 × 1,303.92
  4. Step 4: Simplify right side
    1,478.88x = 2,644,819.17
  5. Step 5: Solve for x
    x = 2,644,819.17/1,478.88
  6. Step 6: Final answer
    x = 1,788.39

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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.