Home / 3,215.58-4,823.72-1,023.79

Finding the Fourth Proportional to 3,215.58, 4,823.72 and 1,023.79

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Solution

The fourth proportional to 3,215.58, 4,823.72 and 1,023.79 is: 1,535.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,215.58 : 4,823.72 = 1,023.79 : x
  2. Step 2: Convert to fraction form
    3,215.58/4,823.72 = 1,023.79/x
  3. Step 3: Cross multiply
    3,215.58x = 4,823.72 × 1,023.79
  4. Step 4: Simplify right side
    3,215.58x = 4,938,476.30
  5. Step 5: Solve for x
    x = 4,938,476.30/3,215.58
  6. Step 6: Final answer
    x = 1,535.80

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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.