Home / 1,573.27-2,171.18-910.33

Finding the Fourth Proportional to 1,573.27, 2,171.18 and 910.33

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Solution

The fourth proportional to 1,573.27, 2,171.18 and 910.33 is: 1,256.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,573.27 : 2,171.18 = 910.33 : x
  2. Step 2: Convert to fraction form
    1,573.27/2,171.18 = 910.33/x
  3. Step 3: Cross multiply
    1,573.27x = 2,171.18 × 910.33
  4. Step 4: Simplify right side
    1,573.27x = 1,976,487.14
  5. Step 5: Solve for x
    x = 1,976,487.14/1,573.27
  6. Step 6: Final answer
    x = 1,256.29

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1.5x scale

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.