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Finding the Fourth Proportional to 3,445.58, 4,753.08 and 2,119.58

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Solution

The fourth proportional to 3,445.58, 4,753.08 and 2,119.58 is: 2,923.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,445.58 : 4,753.08 = 2,119.58 : x
  2. Step 2: Convert to fraction form
    3,445.58/4,753.08 = 2,119.58/x
  3. Step 3: Cross multiply
    3,445.58x = 4,753.08 × 2,119.58
  4. Step 4: Simplify right side
    3,445.58x = 10,074,533.31
  5. Step 5: Solve for x
    x = 10,074,533.31/3,445.58
  6. Step 6: Final answer
    x = 2,923.90

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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.