Home / 4,279.22-5,904.80-2,390.94

Finding the Fourth Proportional to 4,279.22, 5,904.80 and 2,390.94

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Solution

The fourth proportional to 4,279.22, 5,904.80 and 2,390.94 is: 3,299.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,279.22 : 5,904.80 = 2,390.94 : x
  2. Step 2: Convert to fraction form
    4,279.22/5,904.80 = 2,390.94/x
  3. Step 3: Cross multiply
    4,279.22x = 5,904.80 × 2,390.94
  4. Step 4: Simplify right side
    4,279.22x = 14,118,022.51
  5. Step 5: Solve for x
    x = 14,118,022.51/4,279.22
  6. Step 6: Final answer
    x = 3,299.20

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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.