Home / 3,120.69-4,683.35-1,477.24

Finding the Fourth Proportional to 3,120.69, 4,683.35 and 1,477.24

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Solution

The fourth proportional to 3,120.69, 4,683.35 and 1,477.24 is: 2,216.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,120.69 : 4,683.35 = 1,477.24 : x
  2. Step 2: Convert to fraction form
    3,120.69/4,683.35 = 1,477.24/x
  3. Step 3: Cross multiply
    3,120.69x = 4,683.35 × 1,477.24
  4. Step 4: Simplify right side
    3,120.69x = 6,918,435.96
  5. Step 5: Solve for x
    x = 6,918,435.96/3,120.69
  6. Step 6: Final answer
    x = 2,216.95

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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.