Home / 2,473.93-3,711.98-2,145.20

Finding the Fourth Proportional to 2,473.93, 3,711.98 and 2,145.20

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Solution

The fourth proportional to 2,473.93, 3,711.98 and 2,145.20 is: 3,218.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,473.93 : 3,711.98 = 2,145.20 : x
  2. Step 2: Convert to fraction form
    2,473.93/3,711.98 = 2,145.20/x
  3. Step 3: Cross multiply
    2,473.93x = 3,711.98 × 2,145.20
  4. Step 4: Simplify right side
    2,473.93x = 7,962,919.45
  5. Step 5: Solve for x
    x = 7,962,919.45/2,473.93
  6. Step 6: Final answer
    x = 3,218.73

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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.