Home / 2,247.09-3,368.64-1,207.65

Finding the Fourth Proportional to 2,247.09, 3,368.64 and 1,207.65

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Solution

The fourth proportional to 2,247.09, 3,368.64 and 1,207.65 is: 1,810.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,247.09 : 3,368.64 = 1,207.65 : x
  2. Step 2: Convert to fraction form
    2,247.09/3,368.64 = 1,207.65/x
  3. Step 3: Cross multiply
    2,247.09x = 3,368.64 × 1,207.65
  4. Step 4: Simplify right side
    2,247.09x = 4,068,138.10
  5. Step 5: Solve for x
    x = 4,068,138.10/2,247.09
  6. Step 6: Final answer
    x = 1,810.40

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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.