Home / 3,749.40-5,623.58-1,284.18

Finding the Fourth Proportional to 3,749.40, 5,623.58 and 1,284.18

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Solution

The fourth proportional to 3,749.40, 5,623.58 and 1,284.18 is: 1,926.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,749.40 : 5,623.58 = 1,284.18 : x
  2. Step 2: Convert to fraction form
    3,749.40/5,623.58 = 1,284.18/x
  3. Step 3: Cross multiply
    3,749.40x = 5,623.58 × 1,284.18
  4. Step 4: Simplify right side
    3,749.40x = 7,221,688.96
  5. Step 5: Solve for x
    x = 7,221,688.96/3,749.40
  6. Step 6: Final answer
    x = 1,926.09

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1.5x scale

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.