Home / 1,573.36-2,171.10-910.25

Finding the Fourth Proportional to 1,573.36, 2,171.10 and 910.25

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Solution

The fourth proportional to 1,573.36, 2,171.10 and 910.25 is: 1,256.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,573.36 : 2,171.10 = 910.25 : x
  2. Step 2: Convert to fraction form
    1,573.36/2,171.10 = 910.25/x
  3. Step 3: Cross multiply
    1,573.36x = 2,171.10 × 910.25
  4. Step 4: Simplify right side
    1,573.36x = 1,976,243.78
  5. Step 5: Solve for x
    x = 1,976,243.78/1,573.36
  6. Step 6: Final answer
    x = 1,256.07

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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.