Home / 2,479.79-3,423.17-1,852.31

Finding the Fourth Proportional to 2,479.79, 3,423.17 and 1,852.31

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Solution

The fourth proportional to 2,479.79, 3,423.17 and 1,852.31 is: 2,556.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,479.79 : 3,423.17 = 1,852.31 : x
  2. Step 2: Convert to fraction form
    2,479.79/3,423.17 = 1,852.31/x
  3. Step 3: Cross multiply
    2,479.79x = 3,423.17 × 1,852.31
  4. Step 4: Simplify right side
    2,479.79x = 6,340,759.54
  5. Step 5: Solve for x
    x = 6,340,759.54/2,479.79
  6. Step 6: Final answer
    x = 2,556.98

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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.