Home / 3,315.87-4,973.94-2,439.45

Finding the Fourth Proportional to 3,315.87, 4,973.94 and 2,439.45

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Solution

The fourth proportional to 3,315.87, 4,973.94 and 2,439.45 is: 3,659.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,315.87 : 4,973.94 = 2,439.45 : x
  2. Step 2: Convert to fraction form
    3,315.87/4,973.94 = 2,439.45/x
  3. Step 3: Cross multiply
    3,315.87x = 4,973.94 × 2,439.45
  4. Step 4: Simplify right side
    3,315.87x = 12,133,677.93
  5. Step 5: Solve for x
    x = 12,133,677.93/3,315.87
  6. Step 6: Final answer
    x = 3,659.27

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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.