Home / 2,824.04-4,228.76-2,415.80

Finding the Fourth Proportional to 2,824.04, 4,228.76 and 2,415.80

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Solution

The fourth proportional to 2,824.04, 4,228.76 and 2,415.80 is: 3,617.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,824.04 : 4,228.76 = 2,415.80 : x
  2. Step 2: Convert to fraction form
    2,824.04/4,228.76 = 2,415.80/x
  3. Step 3: Cross multiply
    2,824.04x = 4,228.76 × 2,415.80
  4. Step 4: Simplify right side
    2,824.04x = 10,215,838.41
  5. Step 5: Solve for x
    x = 10,215,838.41/2,824.04
  6. Step 6: Final answer
    x = 3,617.46

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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.