Home / 2,872.46-3,964.32-1,693.50

Finding the Fourth Proportional to 2,872.46, 3,964.32 and 1,693.50

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Solution

The fourth proportional to 2,872.46, 3,964.32 and 1,693.50 is: 2,337.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,872.46 : 3,964.32 = 1,693.50 : x
  2. Step 2: Convert to fraction form
    2,872.46/3,964.32 = 1,693.50/x
  3. Step 3: Cross multiply
    2,872.46x = 3,964.32 × 1,693.50
  4. Step 4: Simplify right side
    2,872.46x = 6,713,575.92
  5. Step 5: Solve for x
    x = 6,713,575.92/2,872.46
  6. Step 6: Final answer
    x = 2,337.23

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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.