Home / 1,725.60-2,575.14-1,715.74

Finding the Fourth Proportional to 1,725.60, 2,575.14 and 1,715.74

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Solution

The fourth proportional to 1,725.60, 2,575.14 and 1,715.74 is: 2,560.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,725.60 : 2,575.14 = 1,715.74 : x
  2. Step 2: Convert to fraction form
    1,725.60/2,575.14 = 1,715.74/x
  3. Step 3: Cross multiply
    1,725.60x = 2,575.14 × 1,715.74
  4. Step 4: Simplify right side
    1,725.60x = 4,418,274.73
  5. Step 5: Solve for x
    x = 4,418,274.73/1,725.60
  6. Step 6: Final answer
    x = 2,560.42

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.