Home / 3,607.32-5,407.79-1,265.87

Finding the Fourth Proportional to 3,607.32, 5,407.79 and 1,265.87

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Solution

The fourth proportional to 3,607.32, 5,407.79 and 1,265.87 is: 1,897.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,607.32 : 5,407.79 = 1,265.87 : x
  2. Step 2: Convert to fraction form
    3,607.32/5,407.79 = 1,265.87/x
  3. Step 3: Cross multiply
    3,607.32x = 5,407.79 × 1,265.87
  4. Step 4: Simplify right side
    3,607.32x = 6,845,559.13
  5. Step 5: Solve for x
    x = 6,845,559.13/3,607.32
  6. Step 6: Final answer
    x = 1,897.69

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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.