Home / 1,725.18-2,587.85-492.77

Finding the Fourth Proportional to 1,725.18, 2,587.85 and 492.77

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Solution

The fourth proportional to 1,725.18, 2,587.85 and 492.77 is: 739.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,725.18 : 2,587.85 = 492.77 : x
  2. Step 2: Convert to fraction form
    1,725.18/2,587.85 = 492.77/x
  3. Step 3: Cross multiply
    1,725.18x = 2,587.85 × 492.77
  4. Step 4: Simplify right side
    1,725.18x = 1,275,201.91
  5. Step 5: Solve for x
    x = 1,275,201.91/1,725.18
  6. Step 6: Final answer
    x = 739.17

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.