Home / 1,756.42-2,635.18-1,098.71

Finding the Fourth Proportional to 1,756.42, 2,635.18 and 1,098.71

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Solution

The fourth proportional to 1,756.42, 2,635.18 and 1,098.71 is: 1,648.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,756.42 : 2,635.18 = 1,098.71 : x
  2. Step 2: Convert to fraction form
    1,756.42/2,635.18 = 1,098.71/x
  3. Step 3: Cross multiply
    1,756.42x = 2,635.18 × 1,098.71
  4. Step 4: Simplify right side
    1,756.42x = 2,895,313.58
  5. Step 5: Solve for x
    x = 2,895,313.58/1,756.42
  6. Step 6: Final answer
    x = 1,648.42

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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.