Home / 1,747.08-2,620.65-706.89

Finding the Fourth Proportional to 1,747.08, 2,620.65 and 706.89

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Solution

The fourth proportional to 1,747.08, 2,620.65 and 706.89 is: 1,060.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,747.08 : 2,620.65 = 706.89 : x
  2. Step 2: Convert to fraction form
    1,747.08/2,620.65 = 706.89/x
  3. Step 3: Cross multiply
    1,747.08x = 2,620.65 × 706.89
  4. Step 4: Simplify right side
    1,747.08x = 1,852,511.28
  5. Step 5: Solve for x
    x = 1,852,511.28/1,747.08
  6. Step 6: Final answer
    x = 1,060.35

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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.