Home / 3,215.50-4,823.69-1,135.02

Finding the Fourth Proportional to 3,215.50, 4,823.69 and 1,135.02

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Solution

The fourth proportional to 3,215.50, 4,823.69 and 1,135.02 is: 1,702.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,215.50 : 4,823.69 = 1,135.02 : x
  2. Step 2: Convert to fraction form
    3,215.50/4,823.69 = 1,135.02/x
  3. Step 3: Cross multiply
    3,215.50x = 4,823.69 × 1,135.02
  4. Step 4: Simplify right side
    3,215.50x = 5,474,984.62
  5. Step 5: Solve for x
    x = 5,474,984.62/3,215.50
  6. Step 6: Final answer
    x = 1,702.69

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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.