Home / 2,245.13-3,368.37-1,356.65

Finding the Fourth Proportional to 2,245.13, 3,368.37 and 1,356.65

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Solution

The fourth proportional to 2,245.13, 3,368.37 and 1,356.65 is: 2,035.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,245.13 : 3,368.37 = 1,356.65 : x
  2. Step 2: Convert to fraction form
    2,245.13/3,368.37 = 1,356.65/x
  3. Step 3: Cross multiply
    2,245.13x = 3,368.37 × 1,356.65
  4. Step 4: Simplify right side
    2,245.13x = 4,569,699.16
  5. Step 5: Solve for x
    x = 4,569,699.16/2,245.13
  6. Step 6: Final answer
    x = 2,035.38

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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.