Home / 1,725.30-2,577.02-1,238.09

Finding the Fourth Proportional to 1,725.30, 2,577.02 and 1,238.09

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Solution

The fourth proportional to 1,725.30, 2,577.02 and 1,238.09 is: 1,849.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,725.30 : 2,577.02 = 1,238.09 : x
  2. Step 2: Convert to fraction form
    1,725.30/2,577.02 = 1,238.09/x
  3. Step 3: Cross multiply
    1,725.30x = 2,577.02 × 1,238.09
  4. Step 4: Simplify right side
    1,725.30x = 3,190,563.62
  5. Step 5: Solve for x
    x = 3,190,563.62/1,725.30
  6. Step 6: Final answer
    x = 1,849.28

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.