Home / 2,828.50-4,247.61-2,570.92

Finding the Fourth Proportional to 2,828.50, 4,247.61 and 2,570.92

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Solution

The fourth proportional to 2,828.50, 4,247.61 and 2,570.92 is: 3,860.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,828.50 : 4,247.61 = 2,570.92 : x
  2. Step 2: Convert to fraction form
    2,828.50/4,247.61 = 2,570.92/x
  3. Step 3: Cross multiply
    2,828.50x = 4,247.61 × 2,570.92
  4. Step 4: Simplify right side
    2,828.50x = 10,920,265.50
  5. Step 5: Solve for x
    x = 10,920,265.50/2,828.50
  6. Step 6: Final answer
    x = 3,860.80

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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.