Home / 3,124.12-4,683.34-1,479.64

Finding the Fourth Proportional to 3,124.12, 4,683.34 and 1,479.64

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Solution

The fourth proportional to 3,124.12, 4,683.34 and 1,479.64 is: 2,218.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,124.12 : 4,683.34 = 1,479.64 : x
  2. Step 2: Convert to fraction form
    3,124.12/4,683.34 = 1,479.64/x
  3. Step 3: Cross multiply
    3,124.12x = 4,683.34 × 1,479.64
  4. Step 4: Simplify right side
    3,124.12x = 6,929,657.20
  5. Step 5: Solve for x
    x = 6,929,657.20/3,124.12
  6. Step 6: Final answer
    x = 2,218.11

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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.