Home / 3,706.37-5,115.93-2,135.51

Finding the Fourth Proportional to 3,706.37, 5,115.93 and 2,135.51

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Solution

The fourth proportional to 3,706.37, 5,115.93 and 2,135.51 is: 2,947.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,706.37 : 5,115.93 = 2,135.51 : x
  2. Step 2: Convert to fraction form
    3,706.37/5,115.93 = 2,135.51/x
  3. Step 3: Cross multiply
    3,706.37x = 5,115.93 × 2,135.51
  4. Step 4: Simplify right side
    3,706.37x = 10,925,119.67
  5. Step 5: Solve for x
    x = 10,925,119.67/3,706.37
  6. Step 6: Final answer
    x = 2,947.66

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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.