Home / 3,649.64-5,477.09-1,458.98

Finding the Fourth Proportional to 3,649.64, 5,477.09 and 1,458.98

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Solution

The fourth proportional to 3,649.64, 5,477.09 and 1,458.98 is: 2,189.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,649.64 : 5,477.09 = 1,458.98 : x
  2. Step 2: Convert to fraction form
    3,649.64/5,477.09 = 1,458.98/x
  3. Step 3: Cross multiply
    3,649.64x = 5,477.09 × 1,458.98
  4. Step 4: Simplify right side
    3,649.64x = 7,990,941.03
  5. Step 5: Solve for x
    x = 7,990,941.03/3,649.64
  6. Step 6: Final answer
    x = 2,189.52

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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.