Home / 3,324.85-4,981.40-3,127.32

Finding the Fourth Proportional to 3,324.85, 4,981.40 and 3,127.32

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Solution

The fourth proportional to 3,324.85, 4,981.40 and 3,127.32 is: 4,685.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,324.85 : 4,981.40 = 3,127.32 : x
  2. Step 2: Convert to fraction form
    3,324.85/4,981.40 = 3,127.32/x
  3. Step 3: Cross multiply
    3,324.85x = 4,981.40 × 3,127.32
  4. Step 4: Simplify right side
    3,324.85x = 15,578,427.94
  5. Step 5: Solve for x
    x = 15,578,427.94/3,324.85
  6. Step 6: Final answer
    x = 4,685.46

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.