Home / 4,279.16-5,905.17-2,390.63

Finding the Fourth Proportional to 4,279.16, 5,905.17 and 2,390.63

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Solution

The fourth proportional to 4,279.16, 5,905.17 and 2,390.63 is: 3,299.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,279.16 : 5,905.17 = 2,390.63 : x
  2. Step 2: Convert to fraction form
    4,279.16/5,905.17 = 2,390.63/x
  3. Step 3: Cross multiply
    4,279.16x = 5,905.17 × 2,390.63
  4. Step 4: Simplify right side
    4,279.16x = 14,117,047.03
  5. Step 5: Solve for x
    x = 14,117,047.03/4,279.16
  6. Step 6: Final answer
    x = 3,299.02

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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.