Home / 1,730.04-2,594.52-689.76

Finding the Fourth Proportional to 1,730.04, 2,594.52 and 689.76

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Solution

The fourth proportional to 1,730.04, 2,594.52 and 689.76 is: 1,034.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,730.04 : 2,594.52 = 689.76 : x
  2. Step 2: Convert to fraction form
    1,730.04/2,594.52 = 689.76/x
  3. Step 3: Cross multiply
    1,730.04x = 2,594.52 × 689.76
  4. Step 4: Simplify right side
    1,730.04x = 1,789,596.12
  5. Step 5: Solve for x
    x = 1,789,596.12/1,730.04
  6. Step 6: Final answer
    x = 1,034.42

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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.