Home / 1,725.07-2,377.83-1,165.36

Finding the Fourth Proportional to 1,725.07, 2,377.83 and 1,165.36

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Solution

The fourth proportional to 1,725.07, 2,377.83 and 1,165.36 is: 1,606.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,725.07 : 2,377.83 = 1,165.36 : x
  2. Step 2: Convert to fraction form
    1,725.07/2,377.83 = 1,165.36/x
  3. Step 3: Cross multiply
    1,725.07x = 2,377.83 × 1,165.36
  4. Step 4: Simplify right side
    1,725.07x = 2,771,027.97
  5. Step 5: Solve for x
    x = 2,771,027.97/1,725.07
  6. Step 6: Final answer
    x = 1,606.33

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.