Home / 3,454.80-5,182.24-1,263.54

Finding the Fourth Proportional to 3,454.80, 5,182.24 and 1,263.54

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Solution

The fourth proportional to 3,454.80, 5,182.24 and 1,263.54 is: 1,895.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,454.80 : 5,182.24 = 1,263.54 : x
  2. Step 2: Convert to fraction form
    3,454.80/5,182.24 = 1,263.54/x
  3. Step 3: Cross multiply
    3,454.80x = 5,182.24 × 1,263.54
  4. Step 4: Simplify right side
    3,454.80x = 6,547,967.53
  5. Step 5: Solve for x
    x = 6,547,967.53/3,454.80
  6. Step 6: Final answer
    x = 1,895.32

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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.