Home / 1,428.42-2,141.44-607.27

Finding the Fourth Proportional to 1,428.42, 2,141.44 and 607.27

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Solution

The fourth proportional to 1,428.42, 2,141.44 and 607.27 is: 910.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,428.42 : 2,141.44 = 607.27 : x
  2. Step 2: Convert to fraction form
    1,428.42/2,141.44 = 607.27/x
  3. Step 3: Cross multiply
    1,428.42x = 2,141.44 × 607.27
  4. Step 4: Simplify right side
    1,428.42x = 1,300,435.44
  5. Step 5: Solve for x
    x = 1,300,435.44/1,428.42
  6. Step 6: Final answer
    x = 910.40

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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.