Home / 3,749.08-5,624.48-1,283.90

Finding the Fourth Proportional to 3,749.08, 5,624.48 and 1,283.90

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Solution

The fourth proportional to 3,749.08, 5,624.48 and 1,283.90 is: 1,926.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,749.08 : 5,624.48 = 1,283.90 : x
  2. Step 2: Convert to fraction form
    3,749.08/5,624.48 = 1,283.90/x
  3. Step 3: Cross multiply
    3,749.08x = 5,624.48 × 1,283.90
  4. Step 4: Simplify right side
    3,749.08x = 7,221,241.75
  5. Step 5: Solve for x
    x = 7,221,241.75/3,749.08
  6. Step 6: Final answer
    x = 1,926.14

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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.