Home / 3,312.12-4,601.37-3,281.70

Finding the Fourth Proportional to 3,312.12, 4,601.37 and 3,281.70

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Solution

The fourth proportional to 3,312.12, 4,601.37 and 3,281.70 is: 4,559.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,312.12 : 4,601.37 = 3,281.70 : x
  2. Step 2: Convert to fraction form
    3,312.12/4,601.37 = 3,281.70/x
  3. Step 3: Cross multiply
    3,312.12x = 4,601.37 × 3,281.70
  4. Step 4: Simplify right side
    3,312.12x = 15,100,315.93
  5. Step 5: Solve for x
    x = 15,100,315.93/3,312.12
  6. Step 6: Final answer
    x = 4,559.11

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.