Home / 2,800.07-4,192.21-1,480.84

Finding the Fourth Proportional to 2,800.07, 4,192.21 and 1,480.84

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Solution

The fourth proportional to 2,800.07, 4,192.21 and 1,480.84 is: 2,217.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,800.07 : 4,192.21 = 1,480.84 : x
  2. Step 2: Convert to fraction form
    2,800.07/4,192.21 = 1,480.84/x
  3. Step 3: Cross multiply
    2,800.07x = 4,192.21 × 1,480.84
  4. Step 4: Simplify right side
    2,800.07x = 6,207,983.63
  5. Step 5: Solve for x
    x = 6,207,983.63/2,800.07
  6. Step 6: Final answer
    x = 2,217.08

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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.