Home / 1,725.23-2,587.89-630.41

Finding the Fourth Proportional to 1,725.23, 2,587.89 and 630.41

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Solution

The fourth proportional to 1,725.23, 2,587.89 and 630.41 is: 945.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,725.23 : 2,587.89 = 630.41 : x
  2. Step 2: Convert to fraction form
    1,725.23/2,587.89 = 630.41/x
  3. Step 3: Cross multiply
    1,725.23x = 2,587.89 × 630.41
  4. Step 4: Simplify right side
    1,725.23x = 1,631,415.64
  5. Step 5: Solve for x
    x = 1,631,415.64/1,725.23
  6. Step 6: Final answer
    x = 945.62

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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.