Home / 3,051.70-4,211.29-1,725.68

Finding the Fourth Proportional to 3,051.70, 4,211.29 and 1,725.68

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Solution

The fourth proportional to 3,051.70, 4,211.29 and 1,725.68 is: 2,381.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,051.70 : 4,211.29 = 1,725.68 : x
  2. Step 2: Convert to fraction form
    3,051.70/4,211.29 = 1,725.68/x
  3. Step 3: Cross multiply
    3,051.70x = 4,211.29 × 1,725.68
  4. Step 4: Simplify right side
    3,051.70x = 7,267,338.93
  5. Step 5: Solve for x
    x = 7,267,338.93/3,051.70
  6. Step 6: Final answer
    x = 2,381.41

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.