Home / 4,289.02-5,919.62-2,520.72

Finding the Fourth Proportional to 4,289.02, 5,919.62 and 2,520.72

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Solution

The fourth proportional to 4,289.02, 5,919.62 and 2,520.72 is: 3,479.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,289.02 : 5,919.62 = 2,520.72 : x
  2. Step 2: Convert to fraction form
    4,289.02/5,919.62 = 2,520.72/x
  3. Step 3: Cross multiply
    4,289.02x = 5,919.62 × 2,520.72
  4. Step 4: Simplify right side
    4,289.02x = 14,921,691.92
  5. Step 5: Solve for x
    x = 14,921,691.92/4,289.02
  6. Step 6: Final answer
    x = 3,479.05

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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.