Home / 4,135.32-5,706.79-2,456.80

Finding the Fourth Proportional to 4,135.32, 5,706.79 and 2,456.80

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Solution

The fourth proportional to 4,135.32, 5,706.79 and 2,456.80 is: 3,390.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,135.32 : 5,706.79 = 2,456.80 : x
  2. Step 2: Convert to fraction form
    4,135.32/5,706.79 = 2,456.80/x
  3. Step 3: Cross multiply
    4,135.32x = 5,706.79 × 2,456.80
  4. Step 4: Simplify right side
    4,135.32x = 14,020,421.26
  5. Step 5: Solve for x
    x = 14,020,421.26/4,135.32
  6. Step 6: Final answer
    x = 3,390.41

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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.