Home / 2,816.60-4,220.74-2,509.04

Finding the Fourth Proportional to 2,816.60, 4,220.74 and 2,509.04

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Solution

The fourth proportional to 2,816.60, 4,220.74 and 2,509.04 is: 3,759.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,816.60 : 4,220.74 = 2,509.04 : x
  2. Step 2: Convert to fraction form
    2,816.60/4,220.74 = 2,509.04/x
  3. Step 3: Cross multiply
    2,816.60x = 4,220.74 × 2,509.04
  4. Step 4: Simplify right side
    2,816.60x = 10,590,005.49
  5. Step 5: Solve for x
    x = 10,590,005.49/2,816.60
  6. Step 6: Final answer
    x = 3,759.85

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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.