Home / 1,571.67-2,167.29-1,464.21

Finding the Fourth Proportional to 1,571.67, 2,167.29 and 1,464.21

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Solution

The fourth proportional to 1,571.67, 2,167.29 and 1,464.21 is: 2,019.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,571.67 : 2,167.29 = 1,464.21 : x
  2. Step 2: Convert to fraction form
    1,571.67/2,167.29 = 1,464.21/x
  3. Step 3: Cross multiply
    1,571.67x = 2,167.29 × 1,464.21
  4. Step 4: Simplify right side
    1,571.67x = 3,173,367.69
  5. Step 5: Solve for x
    x = 3,173,367.69/1,571.67
  6. Step 6: Final answer
    x = 2,019.11

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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.