Home / 2,279.08-3,418.62-1,457.74

Finding the Fourth Proportional to 2,279.08, 3,418.62 and 1,457.74

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Solution

The fourth proportional to 2,279.08, 3,418.62 and 1,457.74 is: 2,186.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,279.08 : 3,418.62 = 1,457.74 : x
  2. Step 2: Convert to fraction form
    2,279.08/3,418.62 = 1,457.74/x
  3. Step 3: Cross multiply
    2,279.08x = 3,418.62 × 1,457.74
  4. Step 4: Simplify right side
    2,279.08x = 4,983,459.12
  5. Step 5: Solve for x
    x = 4,983,459.12/2,279.08
  6. Step 6: Final answer
    x = 2,186.61

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.