Home / 1,424.81-2,133.39-1,342.92

Finding the Fourth Proportional to 1,424.81, 2,133.39 and 1,342.92

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Solution

The fourth proportional to 1,424.81, 2,133.39 and 1,342.92 is: 2,010.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,424.81 : 2,133.39 = 1,342.92 : x
  2. Step 2: Convert to fraction form
    1,424.81/2,133.39 = 1,342.92/x
  3. Step 3: Cross multiply
    1,424.81x = 2,133.39 × 1,342.92
  4. Step 4: Simplify right side
    1,424.81x = 2,864,972.10
  5. Step 5: Solve for x
    x = 2,864,972.10/1,424.81
  6. Step 6: Final answer
    x = 2,010.77

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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.