Home / 3,433.76-4,740.42-2,686.13

Finding the Fourth Proportional to 3,433.76, 4,740.42 and 2,686.13

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Solution

The fourth proportional to 3,433.76, 4,740.42 and 2,686.13 is: 3,708.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,433.76 : 4,740.42 = 2,686.13 : x
  2. Step 2: Convert to fraction form
    3,433.76/4,740.42 = 2,686.13/x
  3. Step 3: Cross multiply
    3,433.76x = 4,740.42 × 2,686.13
  4. Step 4: Simplify right side
    3,433.76x = 12,733,360.67
  5. Step 5: Solve for x
    x = 12,733,360.67/3,433.76
  6. Step 6: Final answer
    x = 3,708.29

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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.