Home / 1,556.04-2,147.49-1,162.38

Finding the Fourth Proportional to 1,556.04, 2,147.49 and 1,162.38

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Solution

The fourth proportional to 1,556.04, 2,147.49 and 1,162.38 is: 1,604.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,556.04 : 2,147.49 = 1,162.38 : x
  2. Step 2: Convert to fraction form
    1,556.04/2,147.49 = 1,162.38/x
  3. Step 3: Cross multiply
    1,556.04x = 2,147.49 × 1,162.38
  4. Step 4: Simplify right side
    1,556.04x = 2,496,204.79
  5. Step 5: Solve for x
    x = 2,496,204.79/1,556.04
  6. Step 6: Final answer
    x = 1,604.20

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1.5x scale

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.