Home / 3,637.71-5,457.47-1,172.81

Finding the Fourth Proportional to 3,637.71, 5,457.47 and 1,172.81

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Solution

The fourth proportional to 3,637.71, 5,457.47 and 1,172.81 is: 1,759.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,637.71 : 5,457.47 = 1,172.81 : x
  2. Step 2: Convert to fraction form
    3,637.71/5,457.47 = 1,172.81/x
  3. Step 3: Cross multiply
    3,637.71x = 5,457.47 × 1,172.81
  4. Step 4: Simplify right side
    3,637.71x = 6,400,575.39
  5. Step 5: Solve for x
    x = 6,400,575.39/3,637.71
  6. Step 6: Final answer
    x = 1,759.51

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.