Home / 3,749.60-5,619.16-1,774.46

Finding the Fourth Proportional to 3,749.60, 5,619.16 and 1,774.46

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Solution

The fourth proportional to 3,749.60, 5,619.16 and 1,774.46 is: 2,659.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,749.60 : 5,619.16 = 1,774.46 : x
  2. Step 2: Convert to fraction form
    3,749.60/5,619.16 = 1,774.46/x
  3. Step 3: Cross multiply
    3,749.60x = 5,619.16 × 1,774.46
  4. Step 4: Simplify right side
    3,749.60x = 9,970,980.94
  5. Step 5: Solve for x
    x = 9,970,980.94/3,749.60
  6. Step 6: Final answer
    x = 2,659.21

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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.