Home / 3,370.49-4,651.28-1,954.45

Finding the Fourth Proportional to 3,370.49, 4,651.28 and 1,954.45

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Solution

The fourth proportional to 3,370.49, 4,651.28 and 1,954.45 is: 2,697.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,370.49 : 4,651.28 = 1,954.45 : x
  2. Step 2: Convert to fraction form
    3,370.49/4,651.28 = 1,954.45/x
  3. Step 3: Cross multiply
    3,370.49x = 4,651.28 × 1,954.45
  4. Step 4: Simplify right side
    3,370.49x = 9,090,694.20
  5. Step 5: Solve for x
    x = 9,090,694.20/3,370.49
  6. Step 6: Final answer
    x = 2,697.14

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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.