Home / 2,172.29-3,256.59-1,476.99

Finding the Fourth Proportional to 2,172.29, 3,256.59 and 1,476.99

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Solution

The fourth proportional to 2,172.29, 3,256.59 and 1,476.99 is: 2,214.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,172.29 : 3,256.59 = 1,476.99 : x
  2. Step 2: Convert to fraction form
    2,172.29/3,256.59 = 1,476.99/x
  3. Step 3: Cross multiply
    2,172.29x = 3,256.59 × 1,476.99
  4. Step 4: Simplify right side
    2,172.29x = 4,809,950.86
  5. Step 5: Solve for x
    x = 4,809,950.86/2,172.29
  6. Step 6: Final answer
    x = 2,214.24

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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.