Home / 3,776.70-5,651.01-3,312.30

Finding the Fourth Proportional to 3,776.70, 5,651.01 and 3,312.30

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Solution

The fourth proportional to 3,776.70, 5,651.01 and 3,312.30 is: 4,956.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,776.70 : 5,651.01 = 3,312.30 : x
  2. Step 2: Convert to fraction form
    3,776.70/5,651.01 = 3,312.30/x
  3. Step 3: Cross multiply
    3,776.70x = 5,651.01 × 3,312.30
  4. Step 4: Simplify right side
    3,776.70x = 18,717,840.42
  5. Step 5: Solve for x
    x = 18,717,840.42/3,776.70
  6. Step 6: Final answer
    x = 4,956.14

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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.