Home / 3,412.70-5,106.90-2,367.80

Finding the Fourth Proportional to 3,412.70, 5,106.90 and 2,367.80

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Solution

The fourth proportional to 3,412.70, 5,106.90 and 2,367.80 is: 3,543.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,412.70 : 5,106.90 = 2,367.80 : x
  2. Step 2: Convert to fraction form
    3,412.70/5,106.90 = 2,367.80/x
  3. Step 3: Cross multiply
    3,412.70x = 5,106.90 × 2,367.80
  4. Step 4: Simplify right side
    3,412.70x = 12,092,117.82
  5. Step 5: Solve for x
    x = 12,092,117.82/3,412.70
  6. Step 6: Final answer
    x = 3,543.27

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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.