Home / 1,710.81-2,560.97-1,217.84

Finding the Fourth Proportional to 1,710.81, 2,560.97 and 1,217.84

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Solution

The fourth proportional to 1,710.81, 2,560.97 and 1,217.84 is: 1,823.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,710.81 : 2,560.97 = 1,217.84 : x
  2. Step 2: Convert to fraction form
    1,710.81/2,560.97 = 1,217.84/x
  3. Step 3: Cross multiply
    1,710.81x = 2,560.97 × 1,217.84
  4. Step 4: Simplify right side
    1,710.81x = 3,118,841.94
  5. Step 5: Solve for x
    x = 3,118,841.94/1,710.81
  6. Step 6: Final answer
    x = 1,823.02

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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.