Home / 2,917.12-4,368.48-2,262.40

Finding the Fourth Proportional to 2,917.12, 4,368.48 and 2,262.40

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Solution

The fourth proportional to 2,917.12, 4,368.48 and 2,262.40 is: 3,388.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,917.12 : 4,368.48 = 2,262.40 : x
  2. Step 2: Convert to fraction form
    2,917.12/4,368.48 = 2,262.40/x
  3. Step 3: Cross multiply
    2,917.12x = 4,368.48 × 2,262.40
  4. Step 4: Simplify right side
    2,917.12x = 9,883,249.15
  5. Step 5: Solve for x
    x = 9,883,249.15/2,917.12
  6. Step 6: Final answer
    x = 3,388.02

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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.