Home / 1,556.34-2,325.48-1,178.61

Finding the Fourth Proportional to 1,556.34, 2,325.48 and 1,178.61

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Solution

The fourth proportional to 1,556.34, 2,325.48 and 1,178.61 is: 1,761.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,556.34 : 2,325.48 = 1,178.61 : x
  2. Step 2: Convert to fraction form
    1,556.34/2,325.48 = 1,178.61/x
  3. Step 3: Cross multiply
    1,556.34x = 2,325.48 × 1,178.61
  4. Step 4: Simplify right side
    1,556.34x = 2,740,833.98
  5. Step 5: Solve for x
    x = 2,740,833.98/1,556.34
  6. Step 6: Final answer
    x = 1,761.08

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.