Home / 1,926.58-2,658.69-1,809.10

Finding the Fourth Proportional to 1,926.58, 2,658.69 and 1,809.10

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Solution

The fourth proportional to 1,926.58, 2,658.69 and 1,809.10 is: 2,496.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,926.58 : 2,658.69 = 1,809.10 : x
  2. Step 2: Convert to fraction form
    1,926.58/2,658.69 = 1,809.10/x
  3. Step 3: Cross multiply
    1,926.58x = 2,658.69 × 1,809.10
  4. Step 4: Simplify right side
    1,926.58x = 4,809,836.08
  5. Step 5: Solve for x
    x = 4,809,836.08/1,926.58
  6. Step 6: Final answer
    x = 2,496.57

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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.