Home / 3,156.50-4,732.04-1,768.70

Finding the Fourth Proportional to 3,156.50, 4,732.04 and 1,768.70

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Solution

The fourth proportional to 3,156.50, 4,732.04 and 1,768.70 is: 2,651.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,156.50 : 4,732.04 = 1,768.70 : x
  2. Step 2: Convert to fraction form
    3,156.50/4,732.04 = 1,768.70/x
  3. Step 3: Cross multiply
    3,156.50x = 4,732.04 × 1,768.70
  4. Step 4: Simplify right side
    3,156.50x = 8,369,526.64
  5. Step 5: Solve for x
    x = 8,369,526.64/3,156.50
  6. Step 6: Final answer
    x = 2,651.53

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.