Home / 1,429.35-2,144.25-607.63

Finding the Fourth Proportional to 1,429.35, 2,144.25 and 607.63

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Solution

The fourth proportional to 1,429.35, 2,144.25 and 607.63 is: 911.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,429.35 : 2,144.25 = 607.63 : x
  2. Step 2: Convert to fraction form
    1,429.35/2,144.25 = 607.63/x
  3. Step 3: Cross multiply
    1,429.35x = 2,144.25 × 607.63
  4. Step 4: Simplify right side
    1,429.35x = 1,302,899.91
  5. Step 5: Solve for x
    x = 1,302,899.91/1,429.35
  6. Step 6: Final answer
    x = 911.53

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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.