Home / 1,573.30-2,171.33-910.13

Finding the Fourth Proportional to 1,573.30, 2,171.33 and 910.13

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Solution

The fourth proportional to 1,573.30, 2,171.33 and 910.13 is: 1,256.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,573.30 : 2,171.33 = 910.13 : x
  2. Step 2: Convert to fraction form
    1,573.30/2,171.33 = 910.13/x
  3. Step 3: Cross multiply
    1,573.30x = 2,171.33 × 910.13
  4. Step 4: Simplify right side
    1,573.30x = 1,976,180.58
  5. Step 5: Solve for x
    x = 1,976,180.58/1,573.30
  6. Step 6: Final answer
    x = 1,256.07

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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.