Home / 2,220.01-3,063.58-1,262.91

Finding the Fourth Proportional to 2,220.01, 3,063.58 and 1,262.91

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Solution

The fourth proportional to 2,220.01, 3,063.58 and 1,262.91 is: 1,742.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,220.01 : 3,063.58 = 1,262.91 : x
  2. Step 2: Convert to fraction form
    2,220.01/3,063.58 = 1,262.91/x
  3. Step 3: Cross multiply
    2,220.01x = 3,063.58 × 1,262.91
  4. Step 4: Simplify right side
    2,220.01x = 3,869,025.82
  5. Step 5: Solve for x
    x = 3,869,025.82/2,220.01
  6. Step 6: Final answer
    x = 1,742.80

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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.