Home / 3,445.55-4,754.91-1,953.43

Finding the Fourth Proportional to 3,445.55, 4,754.91 and 1,953.43

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Solution

The fourth proportional to 3,445.55, 4,754.91 and 1,953.43 is: 2,695.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,445.55 : 4,754.91 = 1,953.43 : x
  2. Step 2: Convert to fraction form
    3,445.55/4,754.91 = 1,953.43/x
  3. Step 3: Cross multiply
    3,445.55x = 4,754.91 × 1,953.43
  4. Step 4: Simplify right side
    3,445.55x = 9,288,383.84
  5. Step 5: Solve for x
    x = 9,288,383.84/3,445.55
  6. Step 6: Final answer
    x = 2,695.76

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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.