Home / 1,784.39-2,658.30-1,764.95

Finding the Fourth Proportional to 1,784.39, 2,658.30 and 1,764.95

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Solution

The fourth proportional to 1,784.39, 2,658.30 and 1,764.95 is: 2,629.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,784.39 : 2,658.30 = 1,764.95 : x
  2. Step 2: Convert to fraction form
    1,784.39/2,658.30 = 1,764.95/x
  3. Step 3: Cross multiply
    1,784.39x = 2,658.30 × 1,764.95
  4. Step 4: Simplify right side
    1,784.39x = 4,691,746.67
  5. Step 5: Solve for x
    x = 4,691,746.67/1,784.39
  6. Step 6: Final answer
    x = 2,629.34

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.