Home / 3,554.49-5,332.47-1,214.31

Finding the Fourth Proportional to 3,554.49, 5,332.47 and 1,214.31

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Solution

The fourth proportional to 3,554.49, 5,332.47 and 1,214.31 is: 1,821.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,554.49 : 5,332.47 = 1,214.31 : x
  2. Step 2: Convert to fraction form
    3,554.49/5,332.47 = 1,214.31/x
  3. Step 3: Cross multiply
    3,554.49x = 5,332.47 × 1,214.31
  4. Step 4: Simplify right side
    3,554.49x = 6,475,271.65
  5. Step 5: Solve for x
    x = 6,475,271.65/3,554.49
  6. Step 6: Final answer
    x = 1,821.72

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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.