Home / 1,617.06-2,232.47-1,086.89

Finding the Fourth Proportional to 1,617.06, 2,232.47 and 1,086.89

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Solution

The fourth proportional to 1,617.06, 2,232.47 and 1,086.89 is: 1,500.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,617.06 : 2,232.47 = 1,086.89 : x
  2. Step 2: Convert to fraction form
    1,617.06/2,232.47 = 1,086.89/x
  3. Step 3: Cross multiply
    1,617.06x = 2,232.47 × 1,086.89
  4. Step 4: Simplify right side
    1,617.06x = 2,426,457.62
  5. Step 5: Solve for x
    x = 2,426,457.62/1,617.06
  6. Step 6: Final answer
    x = 1,500.54

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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.