Home / 4,288.54-5,919.34-2,520.71

Finding the Fourth Proportional to 4,288.54, 5,919.34 and 2,520.71

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Solution

The fourth proportional to 4,288.54, 5,919.34 and 2,520.71 is: 3,479.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,288.54 : 5,919.34 = 2,520.71 : x
  2. Step 2: Convert to fraction form
    4,288.54/5,919.34 = 2,520.71/x
  3. Step 3: Cross multiply
    4,288.54x = 5,919.34 × 2,520.71
  4. Step 4: Simplify right side
    4,288.54x = 14,920,939.53
  5. Step 5: Solve for x
    x = 14,920,939.53/4,288.54
  6. Step 6: Final answer
    x = 3,479.26

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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.