Home / 3,479.42-4,802.69-2,772.50

Finding the Fourth Proportional to 3,479.42, 4,802.69 and 2,772.50

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Solution

The fourth proportional to 3,479.42, 4,802.69 and 2,772.50 is: 3,826.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,479.42 : 4,802.69 = 2,772.50 : x
  2. Step 2: Convert to fraction form
    3,479.42/4,802.69 = 2,772.50/x
  3. Step 3: Cross multiply
    3,479.42x = 4,802.69 × 2,772.50
  4. Step 4: Simplify right side
    3,479.42x = 13,315,440.94
  5. Step 5: Solve for x
    x = 13,315,440.94/3,479.42
  6. Step 6: Final answer
    x = 3,826.91

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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.