Home / 3,555.30-4,907.68-2,673.66

Finding the Fourth Proportional to 3,555.30, 4,907.68 and 2,673.66

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Solution

The fourth proportional to 3,555.30, 4,907.68 and 2,673.66 is: 3,690.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,555.30 : 4,907.68 = 2,673.66 : x
  2. Step 2: Convert to fraction form
    3,555.30/4,907.68 = 2,673.66/x
  3. Step 3: Cross multiply
    3,555.30x = 4,907.68 × 2,673.66
  4. Step 4: Simplify right side
    3,555.30x = 13,121,467.71
  5. Step 5: Solve for x
    x = 13,121,467.71/3,555.30
  6. Step 6: Final answer
    x = 3,690.68

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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.