Home / 1,926.35-2,658.42-1,087.22

Finding the Fourth Proportional to 1,926.35, 2,658.42 and 1,087.22

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Solution

The fourth proportional to 1,926.35, 2,658.42 and 1,087.22 is: 1,500.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,926.35 : 2,658.42 = 1,087.22 : x
  2. Step 2: Convert to fraction form
    1,926.35/2,658.42 = 1,087.22/x
  3. Step 3: Cross multiply
    1,926.35x = 2,658.42 × 1,087.22
  4. Step 4: Simplify right side
    1,926.35x = 2,890,287.39
  5. Step 5: Solve for x
    x = 2,890,287.39/1,926.35
  6. Step 6: Final answer
    x = 1,500.40

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1.5x scale

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.