Home / 1,637.91-2,260.37-929.75

Finding the Fourth Proportional to 1,637.91, 2,260.37 and 929.75

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Solution

The fourth proportional to 1,637.91, 2,260.37 and 929.75 is: 1,283.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,637.91 : 2,260.37 = 929.75 : x
  2. Step 2: Convert to fraction form
    1,637.91/2,260.37 = 929.75/x
  3. Step 3: Cross multiply
    1,637.91x = 2,260.37 × 929.75
  4. Step 4: Simplify right side
    1,637.91x = 2,101,574.36
  5. Step 5: Solve for x
    x = 2,101,574.36/1,637.91
  6. Step 6: Final answer
    x = 1,283.09

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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.