Home / 3,150.50-4,722.67-1,302.91

Finding the Fourth Proportional to 3,150.50, 4,722.67 and 1,302.91

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Solution

The fourth proportional to 3,150.50, 4,722.67 and 1,302.91 is: 1,953.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,150.50 : 4,722.67 = 1,302.91 : x
  2. Step 2: Convert to fraction form
    3,150.50/4,722.67 = 1,302.91/x
  3. Step 3: Cross multiply
    3,150.50x = 4,722.67 × 1,302.91
  4. Step 4: Simplify right side
    3,150.50x = 6,153,213.97
  5. Step 5: Solve for x
    x = 6,153,213.97/3,150.50
  6. Step 6: Final answer
    x = 1,953.09

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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.