Home / 3,215.25-4,823.33-1,135.53

Finding the Fourth Proportional to 3,215.25, 4,823.33 and 1,135.53

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Solution

The fourth proportional to 3,215.25, 4,823.33 and 1,135.53 is: 1,703.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,215.25 : 4,823.33 = 1,135.53 : x
  2. Step 2: Convert to fraction form
    3,215.25/4,823.33 = 1,135.53/x
  3. Step 3: Cross multiply
    3,215.25x = 4,823.33 × 1,135.53
  4. Step 4: Simplify right side
    3,215.25x = 5,477,030.24
  5. Step 5: Solve for x
    x = 5,477,030.24/3,215.25
  6. Step 6: Final answer
    x = 1,703.45

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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.