Home / 3,461.45-5,190.95-2,143.17

Finding the Fourth Proportional to 3,461.45, 5,190.95 and 2,143.17

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Solution

The fourth proportional to 3,461.45, 5,190.95 and 2,143.17 is: 3,214.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,461.45 : 5,190.95 = 2,143.17 : x
  2. Step 2: Convert to fraction form
    3,461.45/5,190.95 = 2,143.17/x
  3. Step 3: Cross multiply
    3,461.45x = 5,190.95 × 2,143.17
  4. Step 4: Simplify right side
    3,461.45x = 11,125,093.67
  5. Step 5: Solve for x
    x = 11,125,093.67/3,461.45
  6. Step 6: Final answer
    x = 3,214.00

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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.