Home / 2,861.16-4,292.28-1,401

Finding the Fourth Proportional to 2,861.16, 4,292.28 and 1,401

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Solution

The fourth proportional to 2,861.16, 4,292.28 and 1,401 is: 2,101.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,861.16 : 4,292.28 = 1,401 : x
  2. Step 2: Convert to fraction form
    2,861.16/4,292.28 = 1,401/x
  3. Step 3: Cross multiply
    2,861.16x = 4,292.28 × 1,401
  4. Step 4: Simplify right side
    2,861.16x = 6,013,484.28
  5. Step 5: Solve for x
    x = 6,013,484.28/2,861.16
  6. Step 6: Final answer
    x = 2,101.76

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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.