Home / 3,445.50-4,754.94-1,953.42

Finding the Fourth Proportional to 3,445.50, 4,754.94 and 1,953.42

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Solution

The fourth proportional to 3,445.50, 4,754.94 and 1,953.42 is: 2,695.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,445.50 : 4,754.94 = 1,953.42 : x
  2. Step 2: Convert to fraction form
    3,445.50/4,754.94 = 1,953.42/x
  3. Step 3: Cross multiply
    3,445.50x = 4,754.94 × 1,953.42
  4. Step 4: Simplify right side
    3,445.50x = 9,288,394.89
  5. Step 5: Solve for x
    x = 9,288,394.89/3,445.50
  6. Step 6: Final answer
    x = 2,695.80

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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.