Home / 1,730.61-2,594.16-691.34

Finding the Fourth Proportional to 1,730.61, 2,594.16 and 691.34

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Solution

The fourth proportional to 1,730.61, 2,594.16 and 691.34 is: 1,036.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,730.61 : 2,594.16 = 691.34 : x
  2. Step 2: Convert to fraction form
    1,730.61/2,594.16 = 691.34/x
  3. Step 3: Cross multiply
    1,730.61x = 2,594.16 × 691.34
  4. Step 4: Simplify right side
    1,730.61x = 1,793,433.60
  5. Step 5: Solve for x
    x = 1,793,433.60/1,730.61
  6. Step 6: Final answer
    x = 1,036.30

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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.