Home / 3,030.21-4,551.39-2,930.58

Finding the Fourth Proportional to 3,030.21, 4,551.39 and 2,930.58

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Solution

The fourth proportional to 3,030.21, 4,551.39 and 2,930.58 is: 4,401.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,030.21 : 4,551.39 = 2,930.58 : x
  2. Step 2: Convert to fraction form
    3,030.21/4,551.39 = 2,930.58/x
  3. Step 3: Cross multiply
    3,030.21x = 4,551.39 × 2,930.58
  4. Step 4: Simplify right side
    3,030.21x = 13,338,212.51
  5. Step 5: Solve for x
    x = 13,338,212.51/3,030.21
  6. Step 6: Final answer
    x = 4,401.75

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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.