Home / 1,490.79-2,232.73-1,306.27

Finding the Fourth Proportional to 1,490.79, 2,232.73 and 1,306.27

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Solution

The fourth proportional to 1,490.79, 2,232.73 and 1,306.27 is: 1,956.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,490.79 : 2,232.73 = 1,306.27 : x
  2. Step 2: Convert to fraction form
    1,490.79/2,232.73 = 1,306.27/x
  3. Step 3: Cross multiply
    1,490.79x = 2,232.73 × 1,306.27
  4. Step 4: Simplify right side
    1,490.79x = 2,916,537.63
  5. Step 5: Solve for x
    x = 2,916,537.63/1,490.79
  6. Step 6: Final answer
    x = 1,956.37

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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.