Home / 4,219.32-5,816.04-2,890.74

Finding the Fourth Proportional to 4,219.32, 5,816.04 and 2,890.74

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Solution

The fourth proportional to 4,219.32, 5,816.04 and 2,890.74 is: 3,984.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,219.32 : 5,816.04 = 2,890.74 : x
  2. Step 2: Convert to fraction form
    4,219.32/5,816.04 = 2,890.74/x
  3. Step 3: Cross multiply
    4,219.32x = 5,816.04 × 2,890.74
  4. Step 4: Simplify right side
    4,219.32x = 16,812,659.47
  5. Step 5: Solve for x
    x = 16,812,659.47/4,219.32
  6. Step 6: Final answer
    x = 3,984.68

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.