Home / 1,746.94-2,620.45-1,398.66

Finding the Fourth Proportional to 1,746.94, 2,620.45 and 1,398.66

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Solution

The fourth proportional to 1,746.94, 2,620.45 and 1,398.66 is: 2,098.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,746.94 : 2,620.45 = 1,398.66 : x
  2. Step 2: Convert to fraction form
    1,746.94/2,620.45 = 1,398.66/x
  3. Step 3: Cross multiply
    1,746.94x = 2,620.45 × 1,398.66
  4. Step 4: Simplify right side
    1,746.94x = 3,665,118.60
  5. Step 5: Solve for x
    x = 3,665,118.60/1,746.94
  6. Step 6: Final answer
    x = 2,098.02

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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.