Home / 3,555.30-4,896.18-3,478.98

Finding the Fourth Proportional to 3,555.30, 4,896.18 and 3,478.98

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Solution

The fourth proportional to 3,555.30, 4,896.18 and 3,478.98 is: 4,791.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,555.30 : 4,896.18 = 3,478.98 : x
  2. Step 2: Convert to fraction form
    3,555.30/4,896.18 = 3,478.98/x
  3. Step 3: Cross multiply
    3,555.30x = 4,896.18 × 3,478.98
  4. Step 4: Simplify right side
    3,555.30x = 17,033,712.30
  5. Step 5: Solve for x
    x = 17,033,712.30/3,555.30
  6. Step 6: Final answer
    x = 4,791.08

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.