Home / 1,725.68-2,380.74-1,053.14

Finding the Fourth Proportional to 1,725.68, 2,380.74 and 1,053.14

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Solution

The fourth proportional to 1,725.68, 2,380.74 and 1,053.14 is: 1,452.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,725.68 : 2,380.74 = 1,053.14 : x
  2. Step 2: Convert to fraction form
    1,725.68/2,380.74 = 1,053.14/x
  3. Step 3: Cross multiply
    1,725.68x = 2,380.74 × 1,053.14
  4. Step 4: Simplify right side
    1,725.68x = 2,507,252.52
  5. Step 5: Solve for x
    x = 2,507,252.52/1,725.68
  6. Step 6: Final answer
    x = 1,452.91

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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.