Home / 4,048.20-5,586.84-2,279.70

Finding the Fourth Proportional to 4,048.20, 5,586.84 and 2,279.70

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Solution

The fourth proportional to 4,048.20, 5,586.84 and 2,279.70 is: 3,146.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,048.20 : 5,586.84 = 2,279.70 : x
  2. Step 2: Convert to fraction form
    4,048.20/5,586.84 = 2,279.70/x
  3. Step 3: Cross multiply
    4,048.20x = 5,586.84 × 2,279.70
  4. Step 4: Simplify right side
    4,048.20x = 12,736,319.15
  5. Step 5: Solve for x
    x = 12,736,319.15/4,048.20
  6. Step 6: Final answer
    x = 3,146.17

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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.