Home / 4,047.57-5,585.49-2,279.07

Finding the Fourth Proportional to 4,047.57, 5,585.49 and 2,279.07

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Solution

The fourth proportional to 4,047.57, 5,585.49 and 2,279.07 is: 3,145.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,047.57 : 5,585.49 = 2,279.07 : x
  2. Step 2: Convert to fraction form
    4,047.57/5,585.49 = 2,279.07/x
  3. Step 3: Cross multiply
    4,047.57x = 5,585.49 × 2,279.07
  4. Step 4: Simplify right side
    4,047.57x = 12,729,722.69
  5. Step 5: Solve for x
    x = 12,729,722.69/4,047.57
  6. Step 6: Final answer
    x = 3,145.03

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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.