Home / 1,429.42-2,144.13-607.58

Finding the Fourth Proportional to 1,429.42, 2,144.13 and 607.58

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Solution

The fourth proportional to 1,429.42, 2,144.13 and 607.58 is: 911.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,429.42 : 2,144.13 = 607.58 : x
  2. Step 2: Convert to fraction form
    1,429.42/2,144.13 = 607.58/x
  3. Step 3: Cross multiply
    1,429.42x = 2,144.13 × 607.58
  4. Step 4: Simplify right side
    1,429.42x = 1,302,730.51
  5. Step 5: Solve for x
    x = 1,302,730.51/1,429.42
  6. Step 6: Final answer
    x = 911.37

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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.