Home / 1,360.18-2,039.65-949.50

Finding the Fourth Proportional to 1,360.18, 2,039.65 and 949.50

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Solution

The fourth proportional to 1,360.18, 2,039.65 and 949.50 is: 1,423.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,360.18 : 2,039.65 = 949.50 : x
  2. Step 2: Convert to fraction form
    1,360.18/2,039.65 = 949.50/x
  3. Step 3: Cross multiply
    1,360.18x = 2,039.65 × 949.50
  4. Step 4: Simplify right side
    1,360.18x = 1,936,647.68
  5. Step 5: Solve for x
    x = 1,936,647.68/1,360.18
  6. Step 6: Final answer
    x = 1,423.82

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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.