Home / 1,730.60-2,601.30-1,698.20

Finding the Fourth Proportional to 1,730.60, 2,601.30 and 1,698.20

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Solution

The fourth proportional to 1,730.60, 2,601.30 and 1,698.20 is: 2,552.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,730.60 : 2,601.30 = 1,698.20 : x
  2. Step 2: Convert to fraction form
    1,730.60/2,601.30 = 1,698.20/x
  3. Step 3: Cross multiply
    1,730.60x = 2,601.30 × 1,698.20
  4. Step 4: Simplify right side
    1,730.60x = 4,417,527.66
  5. Step 5: Solve for x
    x = 4,417,527.66/1,730.60
  6. Step 6: Final answer
    x = 2,552.60

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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.