Home / 3,547.67-5,318.02-1,324.88

Finding the Fourth Proportional to 3,547.67, 5,318.02 and 1,324.88

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Solution

The fourth proportional to 3,547.67, 5,318.02 and 1,324.88 is: 1,986.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,547.67 : 5,318.02 = 1,324.88 : x
  2. Step 2: Convert to fraction form
    3,547.67/5,318.02 = 1,324.88/x
  3. Step 3: Cross multiply
    3,547.67x = 5,318.02 × 1,324.88
  4. Step 4: Simplify right side
    3,547.67x = 7,045,711.75
  5. Step 5: Solve for x
    x = 7,045,711.75/3,547.67
  6. Step 6: Final answer
    x = 1,986.01

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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.