Home / 1,556.79-2,332.86-1,164.90

Finding the Fourth Proportional to 1,556.79, 2,332.86 and 1,164.90

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Solution

The fourth proportional to 1,556.79, 2,332.86 and 1,164.90 is: 1,745.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,556.79 : 2,332.86 = 1,164.90 : x
  2. Step 2: Convert to fraction form
    1,556.79/2,332.86 = 1,164.90/x
  3. Step 3: Cross multiply
    1,556.79x = 2,332.86 × 1,164.90
  4. Step 4: Simplify right side
    1,556.79x = 2,717,548.61
  5. Step 5: Solve for x
    x = 2,717,548.61/1,556.79
  6. Step 6: Final answer
    x = 1,745.61

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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.