Home / 1,789.70-2,467.46-1,159.11

Finding the Fourth Proportional to 1,789.70, 2,467.46 and 1,159.11

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Solution

The fourth proportional to 1,789.70, 2,467.46 and 1,159.11 is: 1,598.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,789.70 : 2,467.46 = 1,159.11 : x
  2. Step 2: Convert to fraction form
    1,789.70/2,467.46 = 1,159.11/x
  3. Step 3: Cross multiply
    1,789.70x = 2,467.46 × 1,159.11
  4. Step 4: Simplify right side
    1,789.70x = 2,860,060.46
  5. Step 5: Solve for x
    x = 2,860,060.46/1,789.70
  6. Step 6: Final answer
    x = 1,598.07

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.