Home / 1,429.51-1,966.44-1,348.87

Finding the Fourth Proportional to 1,429.51, 1,966.44 and 1,348.87

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Solution

The fourth proportional to 1,429.51, 1,966.44 and 1,348.87 is: 1,855.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,429.51 : 1,966.44 = 1,348.87 : x
  2. Step 2: Convert to fraction form
    1,429.51/1,966.44 = 1,348.87/x
  3. Step 3: Cross multiply
    1,429.51x = 1,966.44 × 1,348.87
  4. Step 4: Simplify right side
    1,429.51x = 2,652,471.92
  5. Step 5: Solve for x
    x = 2,652,471.92/1,429.51
  6. Step 6: Final answer
    x = 1,855.51

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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.