Home / 3,453.47-4,765.91-1,881.66

Finding the Fourth Proportional to 3,453.47, 4,765.91 and 1,881.66

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Solution

The fourth proportional to 3,453.47, 4,765.91 and 1,881.66 is: 2,596.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,453.47 : 4,765.91 = 1,881.66 : x
  2. Step 2: Convert to fraction form
    3,453.47/4,765.91 = 1,881.66/x
  3. Step 3: Cross multiply
    3,453.47x = 4,765.91 × 1,881.66
  4. Step 4: Simplify right side
    3,453.47x = 8,967,830.67
  5. Step 5: Solve for x
    x = 8,967,830.67/3,453.47
  6. Step 6: Final answer
    x = 2,596.76

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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.