Home / 2,172.71-3,259.05-1,526.33

Finding the Fourth Proportional to 2,172.71, 3,259.05 and 1,526.33

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Solution

The fourth proportional to 2,172.71, 3,259.05 and 1,526.33 is: 2,289.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,172.71 : 3,259.05 = 1,526.33 : x
  2. Step 2: Convert to fraction form
    2,172.71/3,259.05 = 1,526.33/x
  3. Step 3: Cross multiply
    2,172.71x = 3,259.05 × 1,526.33
  4. Step 4: Simplify right side
    2,172.71x = 4,974,361.86
  5. Step 5: Solve for x
    x = 4,974,361.86/2,172.71
  6. Step 6: Final answer
    x = 2,289.48

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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.