Home / 4,279.04-5,905-2,390.50

Finding the Fourth Proportional to 4,279.04, 5,905 and 2,390.50

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Solution

The fourth proportional to 4,279.04, 5,905 and 2,390.50 is: 3,298.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,279.04 : 5,905 = 2,390.50 : x
  2. Step 2: Convert to fraction form
    4,279.04/5,905 = 2,390.50/x
  3. Step 3: Cross multiply
    4,279.04x = 5,905 × 2,390.50
  4. Step 4: Simplify right side
    4,279.04x = 14,115,902.50
  5. Step 5: Solve for x
    x = 14,115,902.50/4,279.04
  6. Step 6: Final answer
    x = 3,298.85

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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.