Home / 1,788.20-2,467.74-1,002.25

Finding the Fourth Proportional to 1,788.20, 2,467.74 and 1,002.25

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Solution

The fourth proportional to 1,788.20, 2,467.74 and 1,002.25 is: 1,383.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,788.20 : 2,467.74 = 1,002.25 : x
  2. Step 2: Convert to fraction form
    1,788.20/2,467.74 = 1,002.25/x
  3. Step 3: Cross multiply
    1,788.20x = 2,467.74 × 1,002.25
  4. Step 4: Simplify right side
    1,788.20x = 2,473,292.42
  5. Step 5: Solve for x
    x = 2,473,292.42/1,788.20
  6. Step 6: Final answer
    x = 1,383.12

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1.5x scale

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.