Home / 2,788.88-3,848.65-1,529.95

Finding the Fourth Proportional to 2,788.88, 3,848.65 and 1,529.95

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Solution

The fourth proportional to 2,788.88, 3,848.65 and 1,529.95 is: 2,111.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,788.88 : 3,848.65 = 1,529.95 : x
  2. Step 2: Convert to fraction form
    2,788.88/3,848.65 = 1,529.95/x
  3. Step 3: Cross multiply
    2,788.88x = 3,848.65 × 1,529.95
  4. Step 4: Simplify right side
    2,788.88x = 5,888,242.07
  5. Step 5: Solve for x
    x = 5,888,242.07/2,788.88
  6. Step 6: Final answer
    x = 2,111.33

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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.