Home / 4,288.99-5,919.33-2,520.76

Finding the Fourth Proportional to 4,288.99, 5,919.33 and 2,520.76

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Solution

The fourth proportional to 4,288.99, 5,919.33 and 2,520.76 is: 3,478.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,288.99 : 5,919.33 = 2,520.76 : x
  2. Step 2: Convert to fraction form
    4,288.99/5,919.33 = 2,520.76/x
  3. Step 3: Cross multiply
    4,288.99x = 5,919.33 × 2,520.76
  4. Step 4: Simplify right side
    4,288.99x = 14,921,210.29
  5. Step 5: Solve for x
    x = 14,921,210.29/4,288.99
  6. Step 6: Final answer
    x = 3,478.96

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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.