Home / 3,547.27-5,318.93-1,645.52

Finding the Fourth Proportional to 3,547.27, 5,318.93 and 1,645.52

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Solution

The fourth proportional to 3,547.27, 5,318.93 and 1,645.52 is: 2,467.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,547.27 : 5,318.93 = 1,645.52 : x
  2. Step 2: Convert to fraction form
    3,547.27/5,318.93 = 1,645.52/x
  3. Step 3: Cross multiply
    3,547.27x = 5,318.93 × 1,645.52
  4. Step 4: Simplify right side
    3,547.27x = 8,752,383.21
  5. Step 5: Solve for x
    x = 8,752,383.21/3,547.27
  6. Step 6: Final answer
    x = 2,467.36

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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.