Home / 3,735.09-5,156.91-3,030.12

Finding the Fourth Proportional to 3,735.09, 5,156.91 and 3,030.12

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Solution

The fourth proportional to 3,735.09, 5,156.91 and 3,030.12 is: 4,183.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,735.09 : 5,156.91 = 3,030.12 : x
  2. Step 2: Convert to fraction form
    3,735.09/5,156.91 = 3,030.12/x
  3. Step 3: Cross multiply
    3,735.09x = 5,156.91 × 3,030.12
  4. Step 4: Simplify right side
    3,735.09x = 15,626,056.13
  5. Step 5: Solve for x
    x = 15,626,056.13/3,735.09
  6. Step 6: Final answer
    x = 4,183.58

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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.