Home / 2,211.50-3,051.68-1,302.87

Finding the Fourth Proportional to 2,211.50, 3,051.68 and 1,302.87

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Solution

The fourth proportional to 2,211.50, 3,051.68 and 1,302.87 is: 1,797.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,211.50 : 3,051.68 = 1,302.87 : x
  2. Step 2: Convert to fraction form
    2,211.50/3,051.68 = 1,302.87/x
  3. Step 3: Cross multiply
    2,211.50x = 3,051.68 × 1,302.87
  4. Step 4: Simplify right side
    2,211.50x = 3,975,937.40
  5. Step 5: Solve for x
    x = 3,975,937.40/2,211.50
  6. Step 6: Final answer
    x = 1,797.84

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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.