Home / 1,631.51-2,447.94-706.89

Finding the Fourth Proportional to 1,631.51, 2,447.94 and 706.89

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Solution

The fourth proportional to 1,631.51, 2,447.94 and 706.89 is: 1,060.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,631.51 : 2,447.94 = 706.89 : x
  2. Step 2: Convert to fraction form
    1,631.51/2,447.94 = 706.89/x
  3. Step 3: Cross multiply
    1,631.51x = 2,447.94 × 706.89
  4. Step 4: Simplify right side
    1,631.51x = 1,730,424.31
  5. Step 5: Solve for x
    x = 1,730,424.31/1,631.51
  6. Step 6: Final answer
    x = 1,060.63

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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.