Home / 3,716.58-5,130.21-2,536.81

Finding the Fourth Proportional to 3,716.58, 5,130.21 and 2,536.81

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Solution

The fourth proportional to 3,716.58, 5,130.21 and 2,536.81 is: 3,501.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,716.58 : 5,130.21 = 2,536.81 : x
  2. Step 2: Convert to fraction form
    3,716.58/5,130.21 = 2,536.81/x
  3. Step 3: Cross multiply
    3,716.58x = 5,130.21 × 2,536.81
  4. Step 4: Simplify right side
    3,716.58x = 13,014,368.03
  5. Step 5: Solve for x
    x = 13,014,368.03/3,716.58
  6. Step 6: Final answer
    x = 3,501.71

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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.