Home / 3,315.40-4,966.62-2,013.64

Finding the Fourth Proportional to 3,315.40, 4,966.62 and 2,013.64

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Solution

The fourth proportional to 3,315.40, 4,966.62 and 2,013.64 is: 3,016.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,315.40 : 4,966.62 = 2,013.64 : x
  2. Step 2: Convert to fraction form
    3,315.40/4,966.62 = 2,013.64/x
  3. Step 3: Cross multiply
    3,315.40x = 4,966.62 × 2,013.64
  4. Step 4: Simplify right side
    3,315.40x = 10,000,984.70
  5. Step 5: Solve for x
    x = 10,000,984.70/3,315.40
  6. Step 6: Final answer
    x = 3,016.52

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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.