Home / 4,279.20-5,903.55-2,600.34

Finding the Fourth Proportional to 4,279.20, 5,903.55 and 2,600.34

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Solution

The fourth proportional to 4,279.20, 5,903.55 and 2,600.34 is: 3,587.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,279.20 : 5,903.55 = 2,600.34 : x
  2. Step 2: Convert to fraction form
    4,279.20/5,903.55 = 2,600.34/x
  3. Step 3: Cross multiply
    4,279.20x = 5,903.55 × 2,600.34
  4. Step 4: Simplify right side
    4,279.20x = 15,351,237.21
  5. Step 5: Solve for x
    x = 15,351,237.21/4,279.20
  6. Step 6: Final answer
    x = 3,587.41

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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.