Home / 3,323.08-4,980.27-1,678.74

Finding the Fourth Proportional to 3,323.08, 4,980.27 and 1,678.74

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Solution

The fourth proportional to 3,323.08, 4,980.27 and 1,678.74 is: 2,515.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,323.08 : 4,980.27 = 1,678.74 : x
  2. Step 2: Convert to fraction form
    3,323.08/4,980.27 = 1,678.74/x
  3. Step 3: Cross multiply
    3,323.08x = 4,980.27 × 1,678.74
  4. Step 4: Simplify right side
    3,323.08x = 8,360,578.46
  5. Step 5: Solve for x
    x = 8,360,578.46/3,323.08
  6. Step 6: Final answer
    x = 2,515.91

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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.