Home / 3,568.16-4,912.88-3,240.11

Finding the Fourth Proportional to 3,568.16, 4,912.88 and 3,240.11

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Solution

The fourth proportional to 3,568.16, 4,912.88 and 3,240.11 is: 4,461.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,568.16 : 4,912.88 = 3,240.11 : x
  2. Step 2: Convert to fraction form
    3,568.16/4,912.88 = 3,240.11/x
  3. Step 3: Cross multiply
    3,568.16x = 4,912.88 × 3,240.11
  4. Step 4: Simplify right side
    3,568.16x = 15,918,271.62
  5. Step 5: Solve for x
    x = 15,918,271.62/3,568.16
  6. Step 6: Final answer
    x = 4,461.20

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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.