Home / 1,784.13-2,688.38-1,466.61

Finding the Fourth Proportional to 1,784.13, 2,688.38 and 1,466.61

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Solution

The fourth proportional to 1,784.13, 2,688.38 and 1,466.61 is: 2,209.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,784.13 : 2,688.38 = 1,466.61 : x
  2. Step 2: Convert to fraction form
    1,784.13/2,688.38 = 1,466.61/x
  3. Step 3: Cross multiply
    1,784.13x = 2,688.38 × 1,466.61
  4. Step 4: Simplify right side
    1,784.13x = 3,942,797.66
  5. Step 5: Solve for x
    x = 3,942,797.66/1,784.13
  6. Step 6: Final answer
    x = 2,209.93

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.