Home / 3,672.86-5,509.71-1,207.04

Finding the Fourth Proportional to 3,672.86, 5,509.71 and 1,207.04

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Solution

The fourth proportional to 3,672.86, 5,509.71 and 1,207.04 is: 1,810.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,672.86 : 5,509.71 = 1,207.04 : x
  2. Step 2: Convert to fraction form
    3,672.86/5,509.71 = 1,207.04/x
  3. Step 3: Cross multiply
    3,672.86x = 5,509.71 × 1,207.04
  4. Step 4: Simplify right side
    3,672.86x = 6,650,412.81
  5. Step 5: Solve for x
    x = 6,650,412.81/3,672.86
  6. Step 6: Final answer
    x = 1,810.69

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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.