Home / 2,788.07-4,179.06-1,748.84

Finding the Fourth Proportional to 2,788.07, 4,179.06 and 1,748.84

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Solution

The fourth proportional to 2,788.07, 4,179.06 and 1,748.84 is: 2,621.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,788.07 : 4,179.06 = 1,748.84 : x
  2. Step 2: Convert to fraction form
    2,788.07/4,179.06 = 1,748.84/x
  3. Step 3: Cross multiply
    2,788.07x = 4,179.06 × 1,748.84
  4. Step 4: Simplify right side
    2,788.07x = 7,308,486.40
  5. Step 5: Solve for x
    x = 7,308,486.40/2,788.07
  6. Step 6: Final answer
    x = 2,621.35

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.