Home / 4,219.48-5,820.58-2,539.87

Finding the Fourth Proportional to 4,219.48, 5,820.58 and 2,539.87

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Solution

The fourth proportional to 4,219.48, 5,820.58 and 2,539.87 is: 3,503.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,219.48 : 5,820.58 = 2,539.87 : x
  2. Step 2: Convert to fraction form
    4,219.48/5,820.58 = 2,539.87/x
  3. Step 3: Cross multiply
    4,219.48x = 5,820.58 × 2,539.87
  4. Step 4: Simplify right side
    4,219.48x = 14,783,516.52
  5. Step 5: Solve for x
    x = 14,783,516.52/4,219.48
  6. Step 6: Final answer
    x = 3,503.63

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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.