Home / 2,479.78-3,421.73-1,596.77

Finding the Fourth Proportional to 2,479.78, 3,421.73 and 1,596.77

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Solution

The fourth proportional to 2,479.78, 3,421.73 and 1,596.77 is: 2,203.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,479.78 : 3,421.73 = 1,596.77 : x
  2. Step 2: Convert to fraction form
    2,479.78/3,421.73 = 1,596.77/x
  3. Step 3: Cross multiply
    2,479.78x = 3,421.73 × 1,596.77
  4. Step 4: Simplify right side
    2,479.78x = 5,463,707.83
  5. Step 5: Solve for x
    x = 5,463,707.83/2,479.78
  6. Step 6: Final answer
    x = 2,203.31

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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.