Home / 3,708.07-5,113.23-2,645.98

Finding the Fourth Proportional to 3,708.07, 5,113.23 and 2,645.98

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Solution

The fourth proportional to 3,708.07, 5,113.23 and 2,645.98 is: 3,648.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,708.07 : 5,113.23 = 2,645.98 : x
  2. Step 2: Convert to fraction form
    3,708.07/5,113.23 = 2,645.98/x
  3. Step 3: Cross multiply
    3,708.07x = 5,113.23 × 2,645.98
  4. Step 4: Simplify right side
    3,708.07x = 13,529,504.32
  5. Step 5: Solve for x
    x = 13,529,504.32/3,708.07
  6. Step 6: Final answer
    x = 3,648.66

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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.