Home / 2,220.84-3,064.33-1,336.70

Finding the Fourth Proportional to 2,220.84, 3,064.33 and 1,336.70

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Solution

The fourth proportional to 2,220.84, 3,064.33 and 1,336.70 is: 1,844.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,220.84 : 3,064.33 = 1,336.70 : x
  2. Step 2: Convert to fraction form
    2,220.84/3,064.33 = 1,336.70/x
  3. Step 3: Cross multiply
    2,220.84x = 3,064.33 × 1,336.70
  4. Step 4: Simplify right side
    2,220.84x = 4,096,099.24
  5. Step 5: Solve for x
    x = 4,096,099.24/2,220.84
  6. Step 6: Final answer
    x = 1,844.39

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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.