Home / 4,288.65-5,919.11-2,520.35

Finding the Fourth Proportional to 4,288.65, 5,919.11 and 2,520.35

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Solution

The fourth proportional to 4,288.65, 5,919.11 and 2,520.35 is: 3,478.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,288.65 : 5,919.11 = 2,520.35 : x
  2. Step 2: Convert to fraction form
    4,288.65/5,919.11 = 2,520.35/x
  3. Step 3: Cross multiply
    4,288.65x = 5,919.11 × 2,520.35
  4. Step 4: Simplify right side
    4,288.65x = 14,918,186.69
  5. Step 5: Solve for x
    x = 14,918,186.69/4,288.65
  6. Step 6: Final answer
    x = 3,478.53

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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.