Home / 3,587.09-5,380.63-1,641.47

Finding the Fourth Proportional to 3,587.09, 5,380.63 and 1,641.47

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Solution

The fourth proportional to 3,587.09, 5,380.63 and 1,641.47 is: 2,462.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,587.09 : 5,380.63 = 1,641.47 : x
  2. Step 2: Convert to fraction form
    3,587.09/5,380.63 = 1,641.47/x
  3. Step 3: Cross multiply
    3,587.09x = 5,380.63 × 1,641.47
  4. Step 4: Simplify right side
    3,587.09x = 8,832,111.72
  5. Step 5: Solve for x
    x = 8,832,111.72/3,587.09
  6. Step 6: Final answer
    x = 2,462.20

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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.