Home / 3,703.86-5,112.45-2,957.58

Finding the Fourth Proportional to 3,703.86, 5,112.45 and 2,957.58

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Solution

The fourth proportional to 3,703.86, 5,112.45 and 2,957.58 is: 4,082.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,703.86 : 5,112.45 = 2,957.58 : x
  2. Step 2: Convert to fraction form
    3,703.86/5,112.45 = 2,957.58/x
  3. Step 3: Cross multiply
    3,703.86x = 5,112.45 × 2,957.58
  4. Step 4: Simplify right side
    3,703.86x = 15,120,479.87
  5. Step 5: Solve for x
    x = 15,120,479.87/3,703.86
  6. Step 6: Final answer
    x = 4,082.36

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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.