Home / 1,556.62-2,148.49-1,060.45

Finding the Fourth Proportional to 1,556.62, 2,148.49 and 1,060.45

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Solution

The fourth proportional to 1,556.62, 2,148.49 and 1,060.45 is: 1,463.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,556.62 : 2,148.49 = 1,060.45 : x
  2. Step 2: Convert to fraction form
    1,556.62/2,148.49 = 1,060.45/x
  3. Step 3: Cross multiply
    1,556.62x = 2,148.49 × 1,060.45
  4. Step 4: Simplify right side
    1,556.62x = 2,278,366.22
  5. Step 5: Solve for x
    x = 2,278,366.22/1,556.62
  6. Step 6: Final answer
    x = 1,463.66

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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.