Home / 1,725.70-2,349.62-1,720.24

Finding the Fourth Proportional to 1,725.70, 2,349.62 and 1,720.24

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Solution

The fourth proportional to 1,725.70, 2,349.62 and 1,720.24 is: 2,342.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,725.70 : 2,349.62 = 1,720.24 : x
  2. Step 2: Convert to fraction form
    1,725.70/2,349.62 = 1,720.24/x
  3. Step 3: Cross multiply
    1,725.70x = 2,349.62 × 1,720.24
  4. Step 4: Simplify right side
    1,725.70x = 4,041,910.31
  5. Step 5: Solve for x
    x = 4,041,910.31/1,725.70
  6. Step 6: Final answer
    x = 2,342.19

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.36) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.