Home / 2,788.24-4,175.74-2,421.03

Finding the Fourth Proportional to 2,788.24, 4,175.74 and 2,421.03

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Solution

The fourth proportional to 2,788.24, 4,175.74 and 2,421.03 is: 3,625.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,788.24 : 4,175.74 = 2,421.03 : x
  2. Step 2: Convert to fraction form
    2,788.24/4,175.74 = 2,421.03/x
  3. Step 3: Cross multiply
    2,788.24x = 4,175.74 × 2,421.03
  4. Step 4: Simplify right side
    2,788.24x = 10,109,591.81
  5. Step 5: Solve for x
    x = 10,109,591.81/2,788.24
  6. Step 6: Final answer
    x = 3,625.80

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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.