Home / 2,312.70-3,469.05-1,794.30

Finding the Fourth Proportional to 2,312.70, 3,469.05 and 1,794.30

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Solution

The fourth proportional to 2,312.70, 3,469.05 and 1,794.30 is: 2,691.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,312.70 : 3,469.05 = 1,794.30 : x
  2. Step 2: Convert to fraction form
    2,312.70/3,469.05 = 1,794.30/x
  3. Step 3: Cross multiply
    2,312.70x = 3,469.05 × 1,794.30
  4. Step 4: Simplify right side
    2,312.70x = 6,224,516.42
  5. Step 5: Solve for x
    x = 6,224,516.42/2,312.70
  6. Step 6: Final answer
    x = 2,691.45

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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.