Home / 1,725.15-2,380.77-1,017.48

Finding the Fourth Proportional to 1,725.15, 2,380.77 and 1,017.48

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Solution

The fourth proportional to 1,725.15, 2,380.77 and 1,017.48 is: 1,404.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,725.15 : 2,380.77 = 1,017.48 : x
  2. Step 2: Convert to fraction form
    1,725.15/2,380.77 = 1,017.48/x
  3. Step 3: Cross multiply
    1,725.15x = 2,380.77 × 1,017.48
  4. Step 4: Simplify right side
    1,725.15x = 2,422,385.86
  5. Step 5: Solve for x
    x = 2,422,385.86/1,725.15
  6. Step 6: Final answer
    x = 1,404.16

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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.