Home / 1,725.18-2,590.59-1,637.54

Finding the Fourth Proportional to 1,725.18, 2,590.59 and 1,637.54

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Solution

The fourth proportional to 1,725.18, 2,590.59 and 1,637.54 is: 2,458.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,725.18 : 2,590.59 = 1,637.54 : x
  2. Step 2: Convert to fraction form
    1,725.18/2,590.59 = 1,637.54/x
  3. Step 3: Cross multiply
    1,725.18x = 2,590.59 × 1,637.54
  4. Step 4: Simplify right side
    1,725.18x = 4,242,181.80
  5. Step 5: Solve for x
    x = 4,242,181.80/1,725.18
  6. Step 6: Final answer
    x = 2,458.98

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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.