Home / 1,725.33-2,586.13-846.80

Finding the Fourth Proportional to 1,725.33, 2,586.13 and 846.80

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Solution

The fourth proportional to 1,725.33, 2,586.13 and 846.80 is: 1,269.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,725.33 : 2,586.13 = 846.80 : x
  2. Step 2: Convert to fraction form
    1,725.33/2,586.13 = 846.80/x
  3. Step 3: Cross multiply
    1,725.33x = 2,586.13 × 846.80
  4. Step 4: Simplify right side
    1,725.33x = 2,189,944.08
  5. Step 5: Solve for x
    x = 2,189,944.08/1,725.33
  6. Step 6: Final answer
    x = 1,269.29

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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.