Home / 3,103.49-4,277.81-2,430.06

Finding the Fourth Proportional to 3,103.49, 4,277.81 and 2,430.06

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Solution

The fourth proportional to 3,103.49, 4,277.81 and 2,430.06 is: 3,349.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,103.49 : 4,277.81 = 2,430.06 : x
  2. Step 2: Convert to fraction form
    3,103.49/4,277.81 = 2,430.06/x
  3. Step 3: Cross multiply
    3,103.49x = 4,277.81 × 2,430.06
  4. Step 4: Simplify right side
    3,103.49x = 10,395,322.82
  5. Step 5: Solve for x
    x = 10,395,322.82/3,103.49
  6. Step 6: Final answer
    x = 3,349.56

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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.