Home / 2,172.08-2,997.48-1,473.68

Finding the Fourth Proportional to 2,172.08, 2,997.48 and 1,473.68

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Solution

The fourth proportional to 2,172.08, 2,997.48 and 1,473.68 is: 2,033.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,172.08 : 2,997.48 = 1,473.68 : x
  2. Step 2: Convert to fraction form
    2,172.08/2,997.48 = 1,473.68/x
  3. Step 3: Cross multiply
    2,172.08x = 2,997.48 × 1,473.68
  4. Step 4: Simplify right side
    2,172.08x = 4,417,326.33
  5. Step 5: Solve for x
    x = 4,417,326.33/2,172.08
  6. Step 6: Final answer
    x = 2,033.68

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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.