Home / 3,735.18-5,587.65-3,120.12

Finding the Fourth Proportional to 3,735.18, 5,587.65 and 3,120.12

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Solution

The fourth proportional to 3,735.18, 5,587.65 and 3,120.12 is: 4,667.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,735.18 : 5,587.65 = 3,120.12 : x
  2. Step 2: Convert to fraction form
    3,735.18/5,587.65 = 3,120.12/x
  3. Step 3: Cross multiply
    3,735.18x = 5,587.65 × 3,120.12
  4. Step 4: Simplify right side
    3,735.18x = 17,434,138.52
  5. Step 5: Solve for x
    x = 17,434,138.52/3,735.18
  6. Step 6: Final answer
    x = 4,667.55

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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.