Home / 3,547.19-5,318.73-1,205.89

Finding the Fourth Proportional to 3,547.19, 5,318.73 and 1,205.89

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Solution

The fourth proportional to 3,547.19, 5,318.73 and 1,205.89 is: 1,808.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,547.19 : 5,318.73 = 1,205.89 : x
  2. Step 2: Convert to fraction form
    3,547.19/5,318.73 = 1,205.89/x
  3. Step 3: Cross multiply
    3,547.19x = 5,318.73 × 1,205.89
  4. Step 4: Simplify right side
    3,547.19x = 6,413,790.02
  5. Step 5: Solve for x
    x = 6,413,790.02/3,547.19
  6. Step 6: Final answer
    x = 1,808.13

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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.