Home / 4,048.13-5,585.80-2,279.70

Finding the Fourth Proportional to 4,048.13, 5,585.80 and 2,279.70

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Solution

The fourth proportional to 4,048.13, 5,585.80 and 2,279.70 is: 3,145.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,048.13 : 5,585.80 = 2,279.70 : x
  2. Step 2: Convert to fraction form
    4,048.13/5,585.80 = 2,279.70/x
  3. Step 3: Cross multiply
    4,048.13x = 5,585.80 × 2,279.70
  4. Step 4: Simplify right side
    4,048.13x = 12,733,948.26
  5. Step 5: Solve for x
    x = 12,733,948.26/4,048.13
  6. Step 6: Final answer
    x = 3,145.64

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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.