Home / 2,220.84-3,064.21-1,358.27

Finding the Fourth Proportional to 2,220.84, 3,064.21 and 1,358.27

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Solution

The fourth proportional to 2,220.84, 3,064.21 and 1,358.27 is: 1,874.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,220.84 : 3,064.21 = 1,358.27 : x
  2. Step 2: Convert to fraction form
    2,220.84/3,064.21 = 1,358.27/x
  3. Step 3: Cross multiply
    2,220.84x = 3,064.21 × 1,358.27
  4. Step 4: Simplify right side
    2,220.84x = 4,162,022.38
  5. Step 5: Solve for x
    x = 4,162,022.38/2,220.84
  6. Step 6: Final answer
    x = 1,874.08

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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.