Home / 3,411.16-4,711.44-2,290.39

Finding the Fourth Proportional to 3,411.16, 4,711.44 and 2,290.39

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Solution

The fourth proportional to 3,411.16, 4,711.44 and 2,290.39 is: 3,163.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,411.16 : 4,711.44 = 2,290.39 : x
  2. Step 2: Convert to fraction form
    3,411.16/4,711.44 = 2,290.39/x
  3. Step 3: Cross multiply
    3,411.16x = 4,711.44 × 2,290.39
  4. Step 4: Simplify right side
    3,411.16x = 10,791,035.06
  5. Step 5: Solve for x
    x = 10,791,035.06/3,411.16
  6. Step 6: Final answer
    x = 3,163.45

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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.